Gary Lester
Principal � aquatic sciences lead
Mr. Lester has worked in the field of aquatic ecology since 1987. He began consulting while he was a graduate student from 1992-1994 and he formed ÑÇÐǹÙÍø, Inc. in 1994. In 2025 ÑÇÐǹÙÍø was acquired by Spheros Environmental and Gary became a principal in the firm. As a Principal with Spheros, Mr. Lester’s duties include overseeing business development for the ÑÇÐǹÙÍø business unit, stewarding client relationships, assisting with mergers and acquisitions, and interfacing with the Spheros Environmental corporate leadership team.
His primary area of expertise is the bioassessment of surface waters using biological indicators. He is an active member of the Society for Freshwater Science, and he is a founding member of the Taxonomic Certification Committee. The committee has developed a taxonomic certification program for North American taxonomists and has certified over 150 individual taxonomists. He has contributed technically to EPA’s National Aquatic Resource Surveys and ÑÇÐǹÙÍø has been the primary provider of taxonomy services for these surveys since 2007.
