Secretary of the Environment since January 21, 2015.
Member, Governor’s Executive Council, 2015-; BayStat Subcabinet, 2015-; Governor’s Council on the Chesapeake Bay (Governor’s Chesapeake Bay Cabinet), 2015-; Governor’s Subcabinet for International Affairs, 2015-; Smart Growth Subcabinet, 2015-. Chair, Asbestos Oversight Committee, 2015-. Vice-Chair, State Children’s Environmental Health and Protection Advisory Council, 2015-. Member, Governor’s Intergovernmental Commission for Agriculture, 2015-; Animal Waste Technology Fund Advisory Committee, 2015-; Appalachian States Low-Level Radioactive Waste Commission, 2015-; Baltimore Regional Transportation Board, 2015-; Bay Restoration Fund Advisory Committee, 2015-; Climate Change Commission, 2015-; Chesapeake Bay Trust, 2015-; Climate, Energy and Environment Policy Committee, Metropolitan Washington Council of Governments, 2015-; Coast Smart Council, 2015-; Critical Area Commission for the Chesapeake and Atlantic Coastal Bays, 2015-; Executive Committee for Dredged Material Management Plans, 2015-; Maryland Electric Vehicle Infrastructure Council, 2015-; Commission on Environmental Justice and Sustainable Communities, 2015-; Maryland Green Building Council, 2015-; Maryland Green Purchasing Committee, 2015-; Maryland Advisory Commission on Manufacturing Competitiveness, 2015-; Maryland Integrated Map Executive Committee, 2015-; Maryland Military Installation Council, 2015-; Interdepartmental Advisory Committee for Minority Affairs, 2015-; Task Force to Study the Impact of Ocean Acidification on State Waters, 2015-; Council on Open Data, 2015-; Ozone Transport Commission, 2015-; Pesticide Advisory Committee, 2015-; Maryland Pesticide Reporting and Information Work Group, 2015-; Renewable Fuels Incentive Board, 2015-; Scenic and Wild Rivers Review Board, 2015-; State Soil Conservation Committee, 2015-; Susquehanna River Basin Commission, 2015-; Maryland Sustainable Growth Commission, 2015-; Invasive Plants Advisory Committee, 2015-.
Counsel, Transportation and Infrastructure Committee, U.S. House of Representatives, 2000-02 (environmental counsel & staff director to committees of U.S. House of Representatives, including science committee, 1985-2000). Assistant Administrator for Water, U.S. Environmental Protection Agency, 2004-08 (deputy assistant administrator, 2002-04).
Director, Arizona Department of Environmental Quality, 2009-10.
Born in Kentucky. Wake Forest University, B.A. (english); Emory University Law School, J.D.; George Washington University School of Law, LL.M. (environmental law). President, U.S. Water Alliance, 2010-15.