Mark Tiedeman

Mark Tiedeman is a Principal Environmental Scientist at AECOM, with over eighteen years of experience in the environmental industry. They have held various roles, including Senior Environmental Scientist at AECOM, where they managed numerous projects, including national groundwater gauging programs and PFAS investigations. Tiedeman also worked as a Senior Environmental Consultant at Ramboll Environ and Senior Environmental Scientist at URS Corporation, where they received multiple awards for project management and safety. They hold both a Bachelor’s and Master’s degree in Business Administration from the University of Newcastle.