Rich Taylor

Environmental Scientist

Mr. Taylor's professional career has ranged from building and managing databases and writing software, to design, construction, and deployment of fisheries sampling gear, to managing field projects. Mr. Taylor is proficient in the use of a wide variety of data management, analysis, and quantitative software...

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Mary Terra

Environmental Scientist

Mrs. Terra is a fisheries biologist with fifteen years of experience in freshwater and marine habitats. Her experience includes project management and design, fieldwork and supervision, data management and analysis, and report writing. She has studied fish, plankton, and plant life in lakes, streams, rivers...

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John Dimitry

Senior Scientist

Mr. Dimitry is an environmental scientist with more than 24 years of experience in designing, conducting, and managing studies to evaluate environmental impacts associated with thermal discharges, surface water withdrawals, and hazardous substance releases...

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James Reichle

Lead Field Scientist

Mr. Reichle is a senior environmental technician with more than 25 years of experience in all phases of environmental monitoring including field sampling, laboratory processing, and quality assurance/quality control. He has participated in the design, mobilization, and conduct of biological and water quality monitoring...

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Michael Bernard

Environmental Scientist

Mike is a terrestrial ecologist with academic training in ornithology, soil biology, and biogeochemistry. He has experience designing research projects, conducting and supervising field and laboratory work, programming dataloggers, building environmental sensor networks, managing databases, conducting statistical and spatial analyses...

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Radhika deSilva, P.h.D., P.E.

Principal Engineer / President

Dr. DeSilva directs engineering at ASA and specializes in water and wastewater aspects for steam electric generating plants and assists clients with NPDES permit renewals; CWA 316 (a) and (b) related strategies, effluent limitation guidelines (ELG) compliance strategies, design and cost estimates; and wastewater treatment systems.

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John Young, P.h.D.

Principal Scientist / Vice President

Dr. Young has over 40 years of consulting experience in aquatic impact assessments and ecological studies in marine, estuarine, and freshwater aquatic habitats. His areas of expertise include study design, statistics, ecological modeling and quantitative impact assessments.

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William Dey

Principal Scientist / Vice President

Mr. Dey has more than 40 years of experience conducting ecological risk, damage, and impact assessments and studies in marine, estuarine, and freshwater aquatic habitats. He areas of expertise include quantitative risk, impact and economic benefits assessments.

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Our Team is experienced in :Data Management & Statistical Analysis.GIS and Habitat Mapping.Aquatic/Effluent Toxicity Studies.Biothermal Assessment.Regulatory Compliance Review.Water Quality Monitoring.Engineering Services for §316(b) Compliance.Threatened & Endangered Species Assessment.Wetlands Delineation.Hydropower Licensing.Habitat Assessment.Acoustic Radiotelemetry Studies.GIS and LiDAR Collection.§ 316(a) & 316(b) Compliance.Instream Data Mapping.Environmental Engineering .Biological Monitoring.Database Design & Management.Entrainment Survival Assessments.§ 122.21(r) Reporting.Agency Consultation.Bathymetric Surveys.Fish Impingement & Survival Assessments.Terrestrial Surveys & Assessments.Cultural Resource Assessments & Plans.Aquatic Surveys & Assessments.Fish Passage.Natural Resource Management.

Our Team

ASA is joined by widely recognized staff, experienced technicians, and dedicated consultants working together as a team to provide top quality consulting expertise and organizational responsiveness. Click the portraits above to view our key management’s credentials and experience.

Professional Affilliations

Our Staff maintain affiliations and memberships with many organizations for continuing professional education, allowing staff to stay current on scientific research, professional certification, and technical skills. The quality and integrity of ASA’s work with regulatory agencies is imperative – the data ASA collects and reports is commonly relied upon for making regulatory decisions.