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Edward C. Fiss Jr., PE

Ned Fiss has over 30 years of experience in environmental consulting. Ned specializes in industrial waste management and municipal wastewater treatment projects. His expertise includes process engineering, detailed design, permitting, and construction management of water, wastewater, hazardous waste and solid waste facilities. Mr. Fiss has conducted evaluations of treatment processes and designed water and wastewater treatment systems for many industrial and municipal facilities. Ned also taught Environmental Engineering in the Department of Engineering Technology at the University of North Carolina at Charlotte. 

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Samanth E. Dawson, PE
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Robert Stein, PE
Senior Consultant

Mr. Dawson has over 20 years of progressive experience in environmental consulting, client representation and design engineering. Samanth is an engineer trained in biological and physical/chemical systems, for treatment of wastewater, stormwater and contaminated soil & groundwater. He has worked with various industries in conducting treatability tests and detailed cost estimates for treatment plant design/upgrades. He has also completed SWP3, SPCC and FRP Plans as part of the industry’s environmental compliance requirements and assisted in the review of scheduled compliance monitoring events for various clients.

Mr. Bob Stein has over 40 years in experience in municipal and industrial wastewater treatment applications. He has been involved in all phases of projects related to environmental control, including environmental audits, in-plant controls, design of grass roots facilities, troubleshooting and upgrading existing treatment facilities, nitrification biomonitoring and toxicity reduction, operational assistance, water quality analysis, and permitting and negotiations with regulatory authorities. Industrial experience includes chemicals, food processing, iron and steel, metal finishing, petroleum refining, pulp and paper, printing and textiles. Mr. Stein was appointed by the North Carolina Department of Environmental Management to serve as a member of the Champion Variance Committee (1995-1996). Bob has authored over 50 publications in the environmental field.

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In Memoriam:
E. Matthew Fiss, PhD, PE

Dr. Matt Fiss held considerable training and knowledge in the operation and control of wastewater and water treatment processes. He was responsible for performing a number of wastewater evaluations and treatment design for municipal and industrial clients. He developed projection models and predictive tool for optimal process control and wastewater management for food and beverage industries. Matt frequently gave Wastewater Treatment Plant (WWTP) Training Sessions to plant operators.  Matt was a co-founder of Fiss Environmental Solutions along with Ned Fiss.

J. Patrick Pierce, PE

Patrick has over 26 years of experience in industrial wastewater treatment and system design.  He was formerly the Senior Technical Manager for industrial wastewater treatment products at Evoqua Water Technologies and Senior Engineer for Environmental Treatment Systems (ETS).  He has used his intimate knowledge of wastewater treatment process and equipment to assist clients in various industries to design, troubleshoot, and optimize their treatment processes and achieve compliance with their environmental programs.

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Dean Sawyer, PE
Senior Engineering Consultant

Dean is an experienced Environmental Engineer with over 27 years of experience in the Food, Textile and Biotechnology industries.  He was formerly an Engineer with Gannet Fleming and a Senior Environmental Engineer at Novozymes.  He has experience with environmental auditing, corporate environmental strategy, source reduction, wastewater treatment (physical/chemical, aerobic and anaerobic biological treatment) and has been extensively involved in several wastewater capital projects and environmental compliance programs for various industries.

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Paul Ahnberg, PE
Senior Environmental Consultant

Prior to his arrival at Fiss Environmental Solutions, Paul held Environmental, Health and Safety (EHS) Manager roles at PepsiCo and Engelhard/BASF Catalysts and accrued over 30 years of professional experience in wastewater and environmental operations, regulatory compliance, and permitting for the food and beverage, mining, and minerals processing industries.  Most recently, Paul provided technical leadership and oversight relating to the Wastewater Management, Ammonia Risk Management and Emergency Preparedness and Response functions at PepsiCo's North American product manufacturing and distribution facilities.  Paul combines his deep EHS experience and technical skillset to align and drive sustainable EHS improvement and change across a diverse array of organizational environments.

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Jenny Nguyen, GIT 
Project Engineer

Jenny Nguyen joined Fiss Environmental Solutions in 2022 and is working towards completion of her Masters Degree in Civil & Environmental Engineering from the University of North Carolina at Charlotte.  She has been involved in a variety of wastewater projects, including bench-scale treatability studies, and environmental permitting for industrial clients.

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