Philip Mathias

Director of Marine Services | Malacologist

EnviroScience Director of Marine Services Philip MathiasNamed Director of Marine Services Practice Area for EnviroScience in 2023, Philip Mathias’s role as a malacologist includes helping municipal and industry clients meet state and federal protocols for mussel protection. 

Phil began his mussel career in 2007 at the University of Toledo, where he completed an undergraduate honors thesis on the distribution of native mussels in the Ottawa River in Toledo, Ohio.

He then attended Central Michigan University (CMU) and received his M.S. with his graduate thesis on the post-glacial colonization of the Mapleleaf mussel into the Great Lakes.

Phil has worked on projects nationwide and holds sampling permits in PA, WV, OH, and IL. He was Wyoming’s State Native Mussel Biologist for five years, where he designed and implemented the statewide native mussel survey protocols.

Phil and his co-authors also published a field guide to the native bi-valves of Wyoming. He is active in the Freshwater Mollusk Conservation Society and the American Fisheries Society. 

Contact Phil at: PMathias @

Few environmental firms in the country retain EnviroScience’s degree of scientific know-how, talent, and capability under one roof. The diverse backgrounds of our biologists, environmental engineers, scientists, and divers enable us to provide comprehensive in-house services and an integrated approach to solving environmental challenges—saving clients time, reducing costs, and ensuring high-quality results.

Our client guarantee is to provide “Excellence in Any Environment,” meaning no matter what we do, we will deliver on our Core Values of respect, client advocacy, quality work, accountability, teamwork, and safety. EnviroScience was created with the concept that we could solve complex problems by empowering great people. This concept still holds true today as our scientists explore the latest environmental legislation and regulations and incorporate the most up-to-date technology to gather and report data.

EnviroScience expertise includes but is not limited to aquatic surveys (including macroinvertebrate surveys and biological assessments); ecological restoration; ecological services (including impact assessments, invasive species control, and water quality monitoring);  emergency response; engineering and compliance services; endangered mussel surveys; laboratory and analysis; stormwater management; threatened and endangered species; and wetlands and streams (including delineation and mitigation). Further, EnviroScience is one of the few biological firms in the country that is a general member of the Association of Diving Contractors International (ADCI) and offers full-service commercial diving services.