Chi Ho Sham has over two decades of consulting experience, mainly for the U.S. Environmental Protection Agency (EPA) in the areas of drinking water protection, water quality analysis, and underground injection control. His research interests include effective source water protection strategies, impacts of wildfires and extreme events on water utilities, and technological issues associated with hydraulic fracturing for unconventional oil and gas development and geological sequestration of carbon dioxide. He is a Senior Vice President at The Cadmus Group, Inc. and leads a group of 80 professionals in the Environmental Science and Policy Division. He is an active member of the American Water Works Association (AWWA) – serving many councils, divisions, and committees. He is also a member of the Massachusetts board of the Conservation Law Foundation. In addition, he is a Research Fellow of the George Perkins Marsh Institute and an adjunct professor of the International Development, Community and Environment program at Clark University in Worcester, Massachusetts. Chi Ho received his Ph.D. and M.A. from the University at Buffalo and his B.A. from the University of Regina in Canada.