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Speaker Bios


Julie Barown
Julie Barown, P.E., is a Sales Engineer in the Municipal Systems group at Orenco Systems, Inc., a wastewater equipment manufacturing firm based in Sutherlin, Oregon. In this role, she works from her office in New York State to assist customers in Orenco's Northeast Territory. She is responsible for preparing proposals and cost estimates; developing and reviewing project designs; training and educating engineers, regulators, and community members; building and strengthening client relations; and otherwise supporting sales efforts throughout the area. With 14 years of previous experience as a consulting engineer, Julie has an extensive background in engineering and managing municipal, decentralized wastewater system projects as well as other municipal utility projects. Julie holds a bachelor's degree in civil engineering from the Rensselaer Polytechnic Institute (RPI).

Marie-Christine Bélanger
Marie-Christine Bélanger is the current Product Director and Government Relations at Premier Tech Aqua (PTA), a Canadian company and world leader in the Onsite Wastewater Treatment industry. She accumulated over five years of professional experience as a Project Manager for the development and implementation of decentralized wastewater treatment systems for the consulting engineering firm GSI Environment before pursuing a career as Project Development Director at Group Celdex, a firm specialized in the development of integrated Waste Management programs in emerging countries. Ms. Bélanger joined PTA in 2002 as Technologies Development Director with the IR&D group. Her functions at PTA have brought her to play key roles on several steering and advisory committees throughout North America, namely with the BNQ, CSA, NOWRA, NSF, local provincial and state organizations, etc. where she has taken part in the development and advancement of industry-wide regulations and standards leading to better protection of the environment and the public’s health. Ms. Bélanger holds a Physics Engineering degree from Laval University and a Master’s degree in Chemical Engineering from L’École Polytechnique de Montreal.

James A. Bell
James 'Jim' Bell, Executive Vice President of Bio-Microbics, holds an M.S. in Sanitary Engineering from the University of Missouri and a Master of Business Administration (MBA) from the University of Kansas, and a B.S. in Civil Engineering from the University of Missouri in Rolla, Missouri.  Jim has worked for 35 years as a Process Engineer for Smith & Loveless, Inc. designing wastewater treatment systems. In 2008, he joined Bio-Microbics as Executive Vice-President to provide process engineering and regulatory expertise.  Jim is currently the President of NOWRA (National OnSite Wastewater Recycling Association) and the Vice-Chairman of the Joint Committee on Wastewater for the NSF, which develops the NSF standards for small onsite wastewater treatment systems. He is also an active member of the Small Community Committee for WEF (Water Environment Federation) and is an active member of the Captains of Industry (COI) - an affiliate organization of the State Onsite Regulators Alliance (SORA).
Brian Carbaugh
Brian Carbaugh, PE is a licensed professional engineer in the state of Delaware and is the current President of DOWRA. Brian is the owner of WWES Associates, an engineering firm specializing in Water Resource Management. He is also an adjunct professor at Delaware Technical and Community College. The roundtable will consist of members of the Delaware On-Site Wastewater Recycling Association (DOWRA) Board of Directors, and others, representing each On-Site System Licensing classification.
Chris Clapp
Chris Clapp is a Marine Scientist working at The Nature Conservancy on Long Island. Several years of restoration, research, and monitoring of coastal ecosystems lead him to the undeniable challenge of nitrogen pollution from conventional on-site systems.  Since then he has been an advocate for the upgrading of sanitary systems predominantly in Suffolk County, NY. He now serves on work groups and advisory councils geared towards the code change requirements, financing, technical aspects of the industry.  He holds a BS in Biology and an MS in Marine and Atmospheric Sciences from Stony Brook University.
Ken Curry
Ken Curry received a B.S. in Geography from Central Michigan University and a M.A. in Geography from Ohio University. He has more than 20 years of Geographic Information System (GIS) and technology integration experience working for local and state government, at Central Michigan University and for the past 11 years as a co-founder of Amalgam. Ken works with a talented team to create location based software solutions for targeted workflows and use cases. He has worked closely with Environmental Health directors and onsite wastewater staff to understand their workflows, needs and gain knowledge of regulations and management concepts in the onsite wastewater industry. Ken continues to work with onsite wastewater regulators to develop effective onsite wastewater management solutions.
Victor D’Amato
Victor D'Amato is a registered professional engineer with 24 years of water quality engineering, wastewater process design, and applied environmental research experience. Mr. D'Amato currently leads a practice in sustainable water resource management and design for Tetra Tech, where his focus is on helping governments, communities, builders, and utilities plan and implement sustainable strategies that decrease capital and recurring costs, increase energy efficiency, and effectively address emerging challenges. 
Mr. D'Amato has internationally recognized expertise in innovative wastewater infrastructure planning and implementation approaches that maximize efficient and effective water service delivery and asset management, including the use of distributed and decentralized systems (e.g., satellite reuse and sewer mining, sustainable onsite systems, utility-managed cluster wastewater systems), integrated water reclamation and waste-related resource (energy, carbon, nutrients) recovery and reuse at multiple scales, and aggressive energy management programs. He also has extensive experience reducing nutrient pollution at multiple scales ranging from individual treatment systems to large watersheds, including the Chesapeake Bay watershed.
Marc Deshusses
Dr. Marc Deshusses' broad research interests are related to the design, and optimization of novel reactors and processes for air, water and solid wastes treatment. Applications include treatment of odors and air toxics, biogas production, and novel sanitation technologies for less developed countries. He holds degrees in chemical engineering from the Swiss Federal Institutes of Technology, is a professor in the Department of Civil and Environmental Engineering at Duke University and has a secondary appointment in the Duke Global Health Institute. He is an Associate Editor for Biotechnology and Bioenergy and was Co-Editor of the Chemical Engineering Journal from 2007 to 2015. Prior to joining Duke in 2008, he was a faculty member (1994-2008) in the Department of Chemical and Environmental Engineering at the University of California, Riverside.
Chris Duhame
Chris Duhame, Vice Pesident, DiPrerte Engineering, joined the firm in 1988 and has a total of 30 years of civil, environmental engineering, and land surveying experience in Rhode Island, Massachusettes, and Connecticut. As a Vice President, Chris is responsible for management of the firm’s Project Managers in addition to oversight and management of active projects including design, client service, and public meetings. He is a member of the firm’s Executive Committee and is responsible in planning the firm’s management objectives including training, quality control, and marketing.
Larry Earney
Larry Earney is an Area Sales Rep for Infiltrator Water Technologies covering DE, MD, PA and NJ. He has been in the water/wastewater industry for 19 years. Earney studied economics and engineering at the US Naval Academy in Annapolis, MD. After the Navy, he was employed by Anne Arundel County in MD as a utilities and infrastructure inspector dealing with commercial and public water, sewer, roads and storm drain projects. He has been an installer and designer of onsite systems in both MD and PA. He is a Pennsylvania DEP Certified Sewage Enforcement Officer and Pennsylvania Septage Management Association (PSMA) Certified Inspector for onsite wastewater systems.
Heidi Faller
Heidi Faller is an environmental toxicologist with EPA's Office of Wastewater Management. She has over 20 years with EPA which includes working in the Offices of Water, Research & Development and the Chief Financial Officer. Heidi spent three years as the Special Assistant to Andrew Sawyers, Director of the Office of Wastewater Management. She now is leading the decentralized wastewater program which includes the Decentralized MOU Partnership and SepticSmart Week.
Bruce Fox
Bruce Fox is the owner and operator of Allstate Septic Systems, Bangor, Pennsylvania.  Bruce has been presenting this course since its inception.  He has been an avid supporter of training and education within the Onsite Industry for many years.  Allstate Septic Systems is the industry leader in diagnosing, developing solutions, and repairing on-lot sewage disposal systems. We begin by using a step by step diagnosis followed by one of our engineers or a certified sewage enforcement officer developing a solution. Once a solution has been devised, our design group will create a design followed by an installation group completing the septic system repair. We have a complete knowledge of the regulations in both Pennsylvania and New Jersey and can advise customers as to what septic system repair is best for each situation.
Stephen Gardiner
Stephen Gardiner is a bilingual technical services manager based out of Hillsborough, NC, for IPS Corporation which manufactures Weld-On solvent cements and primers, with has experience in the IPS Weld-On hydrostatic laboratory testing solvent cement products to ASTM and NSF standards and performing forensic claim evaluations of failed pipe joints.
He has conducted assembly adhesives training seminars, ASTM D2855 solvent welding seminars, ASME B31.3 A328 bonder qualification seminars and performance testing of pipe joint coupons, in both English and Spanish, all over the United States and overseas since 2005 and has trained more than 20,000 installers in proper solvent welding techniques. This number includes over 15,000 installers being bonder qualified to the ASME B31.3 standard. He also handles all technical inquiries for solvent cements, primers, solvent welding process, and assembly adhesives.
He is also a member of AWS and ASTM International for whom he wrote the solvent cement welding standard practice in 2008 for the American Welding Society (AWS) and did a complete rewrite of ASTM D2855 in 2012 for the American Society for Testing and Materials (ASTM) which was balloted in 2015 and has a B.A. in business administration and a M.A.T. in teaching.
Claude Goguen
Claude Goguen has more than 22 years of experience in the precast concrete and construction industry.  He holds degrees in Civil Engineering and is a licensed P.E. in Indiana and a licensed P.Eng. in Canada.  Prior to his role in technical services with NPCA, Claude was an operations manager at a precast concrete manufacturing plant.  Since starting with NPCA, Claude has focused on the onsite wastewater industry and served as the staff liaison to the NPCA Water and Wastewater Structures Committee.   Claude has presented courses and seminars relating to precast concrete septic systems at various federal, state and regional onsite wastewater meetings over the last 8 years. 
Dennis Hallahan
Dennis Hallahan has twenty-seven years of experience with the design and construction of on-site wastewater treatment systems. He has authored several articles for on-site industry magazines and has given numerous presentations nationally on the science and fundamentals of on-site wastewater treatment systems. Dennis also is responsible for product research and testing at Universities, test centers and private consultants.  His department develops system sizing charts for national and international approvals and assists customers and field representatives in the planning and review of large commercial decentralized systems. Many of these systems are in excess of a million gallons per day. He received his MS in civil engineering from the University of Connecticut and his BS in civil engineering from the University of Vermont.  Dennis is a registered professional engineer in Connecticut.  He has been with Infiltrator Systems for 17 years and holds the current position as Technical Director.  Dennis also holds patents for on-site wastewater products and is a member of the Water Environment Federation and of the National Onsite Wastewater Recycling Association and has served for several years on the NOWRA Technical Practices Committee, the Educational Committee and also serves on NEWEA's Small Communities Committee.
Jeff Hawks
Jeff Hawks, President, Champion Pump Company, Inc., started in the pump business in 1982 as an inside Sales Positions with Hydromatic Pump Company. From 1983 to 1986 he was an outside salesman with Ashland Pump & Supply. In 1995, he was hired as the Sales Manager for Covert Pump Company, which manufactured sump, effluent, sewage and well pumps. In 1996 he was hired as the Product / Market Manager for Barnes Pumps where he received an award for getting the largest order in Crane Pumps & Systems History, which is the parent company of Barnes Pumps. In 2003 Jeff accepted a position as National Accounts Manager for Blue Angel Pumps before starting with Champion Pump Company in 2005 where he is currently the President. Jeff has given pump presentations in several states with continuing education credits for associations such as North Carolina Septic Association, Ohio Onsite Wastewater Association and has had the responsibility of Rep training presentations for his prior employers. Jeff currently serves on the Board of directors for SSPMA (Sump & Sewage Pump Manufacturers Association) where he has held the offices of Secretary/Treasurer and Vice President.
Sara Heger
Dr. Sara Heger is an engineer, researcher and instructor in the Onsite Sewage Treatment Program in the Water Resources Center and is an Adjunct Assistant Professor in the Bioproducts and Biosystems Engineering Department. Since 1998, she has been providing education and technical assistance to homeowners, small communities, onsite professionals and local units of government regarding onsite wastewater treatment.  Sara coordinates the research program at the UMN and is currently, serving as the principle investigator on grants to create online owner's guides and evaluate rest stops served by septic systems.  She presents at many local and national training events regarding the design, installation and management of septic systems and related research. Sara is Education Chair of the Minnesota Onsite Wastewater Association and on the National Onsite Wastewater Recycling Association board of directors and is their education chair.  She also serves on the NSF International Committee on Wastewater Treatment Systems and is the chair of the Minnesota State Advisory Committee on Decentralized Systems.  Sara has BS in Biosystems & Agricultural Engineering and a MS and a PhD in Water Resource Science. 
Andrew Hood
Andrew Hood has more than 30-years of experience in the field of water and wastewater treatment for both municipal and industrial clients. In addition, he has over 20-years of design-build experience, which includes design and construction of water and wastewater treatment plants, piping systems, pumping station, force mains, water supply systems, sludge treatment, and odor control. Drew is the Director of Engineering at Keystone Engineering Group and also runs the Design/Build Division. Graduating from Villanova University in 1985 with a degree in Civil Engineering, Drew has held his professional engineering license since 1991. He is a participating member of the Eastern Pennsylvania Water Pollution Control Operators Association (Eastern Operators) and is an active member of the Eastern Operators Industrial Pretreatment Committee.
Nony Howell
Nony Howell is Chief of the Onsite Systems Division under the Water Management Administration for Maryland Department of the Environment. The Onsite System Division provides technical assistance and guidance to County Health Departments and Local Approving Authorities for the implementation of delegated programs for onsite sewage disposal systems, water well construction, and subdivision of land.  Staff members oversee site and soil evaluations, construction inspections, design of alternative and innovative systems and well inspections and permitting. Training courses provided by the division include certification for sand mound construction, at-grade mound construction, Best Available Technology installation and well construction inspections.  Ms. Howell majored in Environmental Science from Wesley College.  She is a Registered Environmental Health Specialist with the National Environmental Health Association and a Licensed Environmental Health Specialist with the State of Maryland where she serves as a Board Member.  
J.R. Inman
J.R. Inman, Vice President Northwest Cascade / FloHawks Plumbing & Septic. He has worked with Northwest Cascade Inc / FloHawks Plumbing & Septic for over 39 years. He has performed work and managed the service plumbing, septic pumping group for 26 years and is licensed in a dozen counties in Washington State as a Pumper, Operation and Maintenance Specialist and Septic Installer. J.R. has served on boards including National On-Site Wastewater Recycling Association & Northwest Bio-Solids Management Association. He is also Past President of Washington On-Site Sewage Association and is a certified instructor for On-Site education.
Anish Jantrania
Dr. Anish Jantrania is an Associate Professor/Extension Specialist in the Biological & Agricultural Engineering Department at Texas A&M University. He is based at the Blackland Research & Extension Center in Temple, Texas. Anish has over 25 years of experience working in the wastewater industry, in the public and private sectors, with a focus on On-Site Sewage Facilities (OSSF/septic systems), and decentralized wastewater systems used in areas not served by public sewer. His research and extension interests focus on sustainable infrastructure to ensure the availability of clean water to meet society's water demands, and to ensure safe sanitation to protect public health and environmental quality. Before coming to Texas, Anish has worked in Virginia, Massachusetts, and West Virginia, and has studied in West Virginia, South Carolina, Ohio, and India. His work in Texas will focus on developing a statewide extension education and research program related to surface and groundwater quality protection with specific emphasis on non-point sources, OSSF, and other environmental issues.
Reed Johnson
Reed Johnson is an Area Sales Manager with Orenco Systems Inc., a wastewater equipment manufacturing firm based in Sutherlin, Oregon. In this role, he works closely with customers to provide support, training, and technical expertise. His operational area includes the states of Maryland, Virginia, West Virginia, Pennsylvania, North Carolina, and Delaware. Reed has been with Orenco since 2008.  Prior to this, he gained a wealth of experience in the wastewater industry, including six years with the service authority for James City County, Virginia. He also has an extensive background in pumps and pump control systems.  Reed has an Associate of Science degree in electrical technology and is a Master Electrician in the State of Virginia. 
Christopher Jowett
Christopher Jowett is a graduate of Systems Design Engineering at University of Waterloo, Ontario and has worked in the wastewater manufacturing industry with Waterloo Biofilter Systems since 2007. In 2014, he obtained his MBA from Laurier University, Ontario and is now responsible for business development and standards. He is a member of CSA B79 + B481 Drains & Interceptors and CSA B65 Installation Code for Decentralized Wastewater Systems.
Jonathan Kaiser
Jonathan joined Infiltrator Water Technologies (Infiltrator) in 2016 as a Project Engineer after graduating with his B.S. in Environmental Engineering from the University of Vermont.  Jonathan spends his time at Infiltrator working on product regulation and research and development initiatives.  He was an active member of Engineers Without Borders, Vermont Student Chapter, researching onsite greywater remediation techniques for reuse in a Nicaraguan coffee growing community.

Kevin Koepenic
Kevin Koepenick has been the manager of the Well and Septic program in Baltimore County for the past 20 years.  He has a B.S. in Geology from Virginia Tech and an M.S. in Geosciences from Penn State.  Before coming to Baltimore County, he worked for an environmental consulting firm for 5 years performing site investigations/assessments for industrial and federal properties.  He served as a MOWPA board member from 2006-2015.
Keith Lamey
Keith Lamey is with the Delaware State Police in the commercial Motor Vehicle Unit where he does Haz-mat and Motor Coach, new Entrant Safety Audit and Compliance Reviews.
Eric Larson
Eric Larson brought his passion for clean water and saving natural resources to the onsite industry in 1995.  He started companies that specialize in providing high quality field service and technologies to protect the environment while minimizing system size and maximizing treatment capacity. Education has been key for all involved - employees, system owners, designers/engineers and regulators. His broad industry involvement includes serving as a director for the Minnesota Onsite Wastewater Association and the National Onsite Wastewater Recycling Association, and as an industry member on the Minnesota Pollution Control Agency SSTS Advisory Committee, Technical Advisory Committee, and the Need to Know for advanced license training.  These collaborations and working with other industry professionals have led to improved residential onsite standards and innovative wastewater treatment applications for commercial, industrial and municipal clients.  Eric has presented on wastewater treatment at state and national conventions around the country and participated in the development of national standards with the Consortium of Institutes for Decentralized Wastewater Treatment.  Eric's education includes Phillips Exeter Academy, Exeter, New Hampshire, St. Olaf College, Northfield, MN, and much additional wastewater specific training.
Hongjian Lin, Ph.D.
Hongjian Lin, Ph.D., Researcher, Department of Bioproducts and Biosystems Engineering, University of Minnesota. Dr. Hongjian Lin worked with Drs. Bo Hu and Sara Heger at University of Minnesota on a research project to develop a novel type of tank for decentralized onsite sewage treatment. He is currently working on nutrient recycling and energy recovery projects from sewage, animal manure, and food waste. He also has years of experience in anaerobic digestion and rural air quality improvement.   
Pio Lombardo
Pio Lombardo, P.E. of Lombardo Associates, Inc. (LAI) has a B.S. in Chemical Engineering and M.S. in Environmental Engineering,  40+ years of experience with innovative water quality restoration and wastewater management projects for unsewered communities.  He has been the Engineer-of-Record for innovative decentralized wastewater and water quality restoration projects with capital costs greater than $200 million that are operating throughout the United States.  Since 1970s, LAI has specialized on decentralized wastewater management, alternative sewer systems and passive nitrogen and phosphorus removal techniques, including use of permeable reactive barriers for nitrogen removal.
Russell Losco
Russell Losco is a Certified Professional Soil Scientist and Professional Geologist with 30 years of experience in the wastewater disposal and recycling industry principally in soil testing, evaluation and design of onsite wastewater treatment and disposal systems. He has a bachelor's degree from Indiana University of PA in anthropology/archaeology and a master's degree from West Chester University in geology. He is an adjunct professor at West Chester University and at Delaware County Community College. He is a member of the board of directors of the Pennsylvania Council of Professional Geologists and has served on the board of directors of the Pennsylvania Association of Professional Soil Scientists (PAPSS) and POWRA. He has co-authored a number of scientific publications and is the lead author of the PAPSS Manual for Soil Investigation in Pennsylvania and co-author of the recently released book Soils and Human Health. He was awarded the 2015 Scientific and Technological Achievement Award for Research on Understanding the nature of Urban Soils and Their Role in Storm water and Sewer Management by the United States Environmental Protection Agency. His current research focuses on soil genesis & anthropogenic influences on soil. He is currently writing a book on the geology of Costa Rica with two co-authors.
Dave Lowe
Dave Lowe is currently managing partner of Lowridge Onsite Technologies, LLC, a manufacturer of onsite wastewater treatment and dispersal equipment. Dave is past president of the Washington Onsite Sewage Association. Dave has been active in the onsite industry for over 25 years as a designer, installer, O&M provider, and manufacturer. He has developed the Continuous Flush Drip method used extensively on Washington State and the LOWeFLOW and OSCAR treatment systems. Dave holds a BS degree in Dairy Science from Cal-Poly, San Luis Obispo, CA.
Zach Lowenstein
Zach Lowenstein is an environmental scientist with EPA’s Office of Wastewater Management, Water Infrastructure Division. He received his Master’s in Public Health from the University of Florida concentrating in environmental health. Zach spent a few years working in Florida at a small environmental consulting firm in the oil and gas sector, and at the South Florida Water Management District in water use permitting and compliance. He recently moved to Washington DC just this past year to be part of the decentralized wastewater program.
Mark J. Mazzochette
Mark Mazzochette, P.E., has served as an environmental engineer in Maryland for 4 years.  He has a Master of Science in Environmental Engineering degree from Virginia Tech.  He is the staff engineer at Hydro-Terra Group located in Westminster, Maryland and is a licensed professional engineer in the state of Maryland (pending in Pennsylvania).  Mark has years of experience in the design and construction of water and wastewater infrastructure for a variety of municipal, commercial, industrial, and residential clients, with treatment facility flows ranging from a few thousand to several hundred million gallons per day.  Decentralized facilities are now his specialty at Hydro-Terra Group - design, construction, and startup projects include shared residential treatment and disposal systems, industrial pre-treatment plants, multi-use commercial systems, special use clients (church, wedding facility, etc.), and others with unique design and regulatory needs.
Mark McCollum
Mark McCollum has been with SJE-Rhombus for over 25 years, including the last four years as Regional Sales Manager for the Western United States where he is responsible for planning, developing and implementing marketing and sales strategies throughout his territory by attending regional trade shows, conducting sales calls and product and technical training.  Mark has a long history with SJE-Rhombus starting in production building control panels.  He moved into customer service where he was responsible for assisting customers with ordering, servicing and troubleshooting control panels prior to moving into sales.  Mark is an active member in the Oregon Onsite Wastewater Association and volunteers on multiple committees. He resides in Vancouver, Washington with his wife, where they enjoy golfing, spending time on the coast, and hanging out with family and friends.  
Laurel F. Mueller
Laurel F. Mueller is President/Owner and Certified Professional Soil Scientist for Soil Services Company, Inc., a consulting firm she started in 1984.  Laurel started Mountain Wastewater Management in 2008 to sell and service alternate technology sewage system components. She represents CPSSs at Soil Science Society of America (SSSA), and is chair-elect for SSSA Consultants Division.  Laurel is a PA Sewage Enforcement Officer, a PSMA Instructor for On lot Wastewater System Inspections, and a PSMA Board member.  She served on PAPSS Board and as national president of National Society of Consulting Soil Scientists (NSCSS). Her expertise includes soil classification, high-intensity soil mapping, hydraulic conductivity, hydric soils, wetlands, storm water, geomorphology for archaeology, expert testimony, sewage system maintenance, and designs. Laurel volunteers with Eldredsville Volunteer Fire Company as EMT and FireFighter-1. She mapped 250,000 acres of soil in Oregon with the USDA-SCS Soil Survey program, and worked as a Materials Engineering Technician for U.S. Forest Service in Missoula, Montana. Laurel has an M.S. in “Resource Conservation/ Land Capability Analysis” (1977) from University of Montana and a B.S. in “Resource Economics” (1974) from University of New Hampshire, with a focus on Land Use Planning.
David Nichol
David Nichol received a B.S. and M.S. in Geography from Central Michigan University with a concentration in Geospatial Science. He has more than 10 years of experience working with Geographic Information System (GIS) technology and integrations as a co-founder of Amalgam. His work includes a diverse range of geospatial projects, applications and clients. Dave has collaborated with Environmental Health staff on all aspects of the FetchEH application, gaining an understanding of their workflows, regulations and needs related to onsite wastewater systems. Dave continues to work with regulators to align new tools and workflows with emerging management concepts.
Deron Oberkorn
Deron Oberkorn is the Corporate Product Development Manager for the Zoller Company. He supports six divisions worldwide in this area and oversees product line managers throughout. Zoeller Company headquarters are located in Louisville, Kentucky, and they design, machine and assemble potable and wastewater products that are sold in over 50 countries. Deron's background is in mechanical engineering; he also has an MBA and over 21 years of experience in the professional plumbing industry and is also President of the Sump and Sewage Pump Manufacturers Association (SSPMA). 
Amy Martinez Parrish
Amy Martinez Parrish earned an undergraduate degree from Susquehanna University where she studied Geological and Environmental Science. She presented her senior research mapping soil chemistry and advancement rate of the Centralia, Pennsylvania mine fire, while at the Geologic Society of America conference in Boston, Massachusetts. Amy began her environmental consulting profession in 2002, at Advanced Land and Water, Inc., where she is a Project Manager with fourteen years of experience. As a Professional Geologist and a Licensed Environmental Health Specialist (also known as Registered Sanitarian), her work focuses on scientific and regulatory aspects of wastewater discharge and disposal permitting, water supply resources development and contaminant transport and fate analysis. She has testified as an expert in related matters in public hearing and courtroom settings and serves on the Maryland Department of Health and Mental Hygiene Board of Environmental Health Specialists. She belongs to several professional associations including the Maryland Onsite Wastewater Professionals Association, the National Groundwater Association, the Mid-Atlantic Association of Professional Soil Scientists, The Pennsylvania Council of Professional Geologists and the Pennsylvania Society of Women Environmental Professionals. 

Sushama Pradhan
Dr. Sushama Pradhan is the Non-Point Source (NPS) Pollution Program coordinator for the On-Site Water Protection (OSWP) Branch of the North Carolina Division of Public Health. She specifically engages in impact assessments of onsite subsurface wastewater systems and prevention of surface and ground water quality degradation from such systems. She received her Ph.D. degree from North Carolina State University in 2004. Dr. Pradhan is also a Licensed Soil Scientist with over 10 years of research experience in onsite water management, onsite system technologies performance evaluation, and modeling onsite systems derived pollutant loadings using GIS based hydrologic model at scales ranging from subdivision scale to watershed scale. She has successfully managed/completed numerous onsite system failure rate field surveys, onsite system nutrient contribution studies, efficacy of septic system additives on system management studies, and decentralized water/wastewater reuse (DWR) projects in partnership with the U.S. Centers for Disease Control (CDC) in Atlanta, Georgia. Dr. Pradhan has worked with numerous health agencies and environmental organizations throughout North Carolina, as well as the U.S. Environmental Protection Agency (EPA) and NSF International.

Danna Revis
Danna Revis is the Training Coordinator for the Office of Environmental Health Services at the Virginia Department of Health.  She has a Bachelor’s degree in Geology from William and Mary and a Master’s degree in Learning Technologies from Pepperdine University. Danna has worked in the onsite wastewater industry since 1983, starting as a consultant in private industry.  She has worked for VDH for 29 years. Danna also serves on the Board of Directors for VOWRA.  
Mark Reynolds
Mark Reynolds has spent thirty years in the sewage industry and the last ten years working with industrial professionals restoring septic drain fields in all fifty states. 
Eberhard Roeder
Eberhard Roeder is a professional engineer with the Florida Department of Health’s Onsite Sewage Program in Tallahassee. He started in the program in 2004 as coordinator of the onsite sewage research program. In late 2005 his position changed to emphasize technical assistance and engineering review. His primary responsibilities are in three areas: (1) Statewide approval of products and components used in onsite sewage treatment and disposal systems. This includes septic tanks (treatment receptacles), alternative drain field products and innovative systems; (2) Assistance to County Offices with the review of onsite systems designed by engineers. Most commonly these fall into the categories of performance-based treatment systems and low-pressure distribution systems; (3) Technical assistance and consultation to the research program, other agencies and the public on issues related to environmental impacts, performance, and construction and design standards for onsite sewage treatment and disposal systems. He is a graduate of the University of Minnesota, Twin Cities (B.C.E), Technical University Braunschweig (Dipl.-Ing.), and Clemson University (Ph.D.) with degrees in civil and environmental systems engineering. He is a Project Management Professional and a Certified Public Manager.
Craig Sanders
Craig Sanders has worked for Jefferson County Public Health since 1978. He has a BS from Colorado State University and has participated in the development of significant regulatory advances over the last 40 years in the design, installation, maintenance and operation of OWTS. He has presented at state and local conferences on a variety of environmental health topics, including onsite wastewater and transfer of title inspections. He has served on the boards of the Colorado Professionals in Onsite Wastewater, the Colorado Environmental Health Association and will be the 2018 president of the Colorado Water Quality Program Managers group. A Registered Sanitation with NEHA, Craig received the CEHA Milton Miller Award in 2001 for contributions to the environmental health profession in Colorado. In his present position, he works to leverage the latest technology to address issues associated with onsite systems through improved maintenance procedures that more closely involve the property owner in the process.  
Kim Seipp
Kim Seipp has been involved in the OWTS industry since 1981. She and her husband own a septic tank pumping and inspection service in eastern Colorado. In addition to managing all the office work for the business, Kim is very active in the operation and maintenance and inspection services of the business. Kim is also very active in the local trade organization, Colorado Professionals in Onsite Wastewater  (CPOW). Currently she sits on the Board of Directors as the association's Education Coordinator and has been instrumental in bringing nationally recognized courses to Colorado and also developing local specific courses for onsite wastewater.

Kevin Sherman
Kevin Sherman has Bachelor of Science degrees in Biology and Civil Engineering, Masters Degrees in Biology and Public Health and a Ph.D. in Biological Oceanography.  Before becoming technical specialist for Presby Environmental, Inc., Kevin was Vice President of Engineering for Clearstream Wastewater Systems.  Dr. Sherman was also formerly the Director of Engineering for Quanics, Inc., executive vice president of the Florida Onsite Wastewater Association and before that worked for 14 years at the Florida Department of Health in the onsite program.  Kevin is Past President of the Florida Environmental Health Association and the National Onsite Wastewater Recycling Association.  He is a professional engineer in 13 states and a registered sanitarian in Florida.  He has achieved the distinction of being named a diplomate of Water Resources Engineering by the American Society of Civil Engineering.
Joseph Soulia
Joseph Soulia is a Senior Government Relations Representative with Orenco Systems  Inc., a wastewater equipment manufacturing firm based in Sutherlin, Oregon. In this role, he works with state and county regulators to gain approval for Orenco's AdvanTex treatment technologies as well as other Orenco products. He has participated extensively in the testing of Orenco's nitrate-reducing textile filter technologies, setting up dozens of field-test sites. Joseph also provides trainings and workshops to distributors, regulators, designers, and engineers. Before joining the government relations staff, he was part of Orenco's Southwestern Region sales team.  Joseph has a Bachelor of Science degree in atmospheric science from Oregon State University. While at OSU, he also studied fluid dynamics and thermodynamics. 
Larry Stephens
Larry Stephens is the owner and founder of Stephens Consulting Services, P.C., an engineering firm founded in 1980 and located in Haslett, Michigan.  Stephens Consulting specializes in the design of onsite and small community wastewater collection and treatment systems.  Larry is also a partner in SCS Systems,LLC, a second company established in 2001 to provide management and maintenance services for onsite wastewater treatment systems.  Prior to 1980, Larry was a regulator with the Michigan Department of Public Health for 12 years.  Larry is a Licensed Professional Engineer in Michigan and Ohio.  He holds a Bachelor of Science degree in Civil Engineering from Michigan State University and a Masters of Engineering Degree from the Environmental Engineering Program at the University of Florida.  Larry has been an active participant in NOWRA Technical Practices and Educational Committee efforts, and currently serves as the President of MOWRA, the Michigan affiliate of NOWRA.