John R. Wolfe, PHD, PE, BCEE, is a Vice President at LimnoTech, managing corporate efforts to expand scientific and technical capacity through innovation and training. He has managed projects involving fate and transport of contaminants, site investigation, discharge to surface waters under NPDES and industrial pretreatment permits, effects of CSOs on water quality, energy-water issues, and environmental economics. He has extensive expertise in surface water quality modeling, including contaminated sediments, wastewater treatment, and permitting; and groundwater protection, and is a Board Certified Environmental Engineer in the specialty area of Hazardous Waste Management. Prior to his career in engineering, John worked for 13 years as an economist, including 11 years as a university professor. He served as a member of the Committee on Sediment Dredging at Superfund Megasites of the National Research Council of the National Academies. John works at LimnoTech’s Southern California Regional Office in El Segundo, California.