Mr. Horsley has more than thirty years of professional experience in the field of water resources management. He holds degrees in Biology and Marine Policy and teaches graduate courses at Tufts University and Harvard Extension School. He has worked as a consultant to federal, state, and local jurisdictions, and private industry throughout the United States, Central America, the Caribbean, the Pacific Islands, and China. Mr. Horsley has served as a consultant to the Cape Cod Commission in the development of the Cape Cod 208 Water Quality Plan Update. He has served as an expert witness in federal and state courts in the areas of hydrology, wetlands science, water quality, and stormwater management. Mr. Horsley has served as an instructor for a nationwide series of U.S. Environmental Protection Agency (EPA) workshops on water resources management and has authored numerous publications on water resources mapping and protection. He serves on numerous advisory boards to the EPA, the National Academy of Public Administration, Massachusetts Department of Environmental Protection, National Water Well Association, National Groundwater Association, and Massachusetts Audubon Society.