Douglas Beak, Ph.D., is a research geochemist at the Center for Environmental Solutions and Emergency Response (CESER) that is part of the U.S. Environmental Protection Agency’s Office of Research and Development (ORD). His current research efforts center around water quality issues (natural and anthropogenic) associated with the use of EAR and GI using various source waters for the augmentation of groundwater along with fate and transport of inorganics in the environment, and metal and metalloid speciation in sulfidic environments. Beak is a graduate of Ohio State University. He received his doctoral degree in 2005.