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Marc Edwards is one of the world’s leading experts in water corrosion and has been nationally recognized as an expert on both copper and lead corrosion in plumbing. He is a civil, Environmental Engineer and expert on water treatment and corrosion, and a Professor of Civil and Environmental Engineering at Virginia Tech. In the early 2000’s his research on elevated lead levels in Washington’s municipal water supply resulted in changes to that city's water testing practices in homes with lead service pipes. LeeAnne Waters, a concerned citizen in Flint, Michigan, reached out to Marc and VT when she believed city government was misleading residents about the safety of their drinking water. His involvement in the Flint Water Crisis was crucial to uncovering a massive lead poisoning problem in that community, and inspired organizations such as Philly Unleaded to organize to test drinking water in their own communities. Marc received his Bachelor of Science in Biophysics while attending the State University of New York, and went on to attain his Master of Science and PhD in Engineering from the University of Washington. As a MacArthur Fellow, Marc is cited as “playing a vital role in ensuring the safety of drinking water and in exposing deteriorating water-delivery infrastructure in America’s largest cities." Marc and LeeAnne were keynote speakers at the 2017 meeting of the Citizen Science Association in May 2017.