Director, Regulatory Studies Center and Distinguished Professor of Practice Trachtenberg School of Public Policy & Public Administration, The George Washington University. Former positions with the Office of Information & Regulatory Affairs, Office of Management and Budget: Administrator; Counselor. Former positions with Regulatory Studies Program, Mercatus Center at George Mason University: Director; Senior Research Fellow & Deputy Director. Former Adjunct Professor of Law, George Mason University School of Law; Adjunct Professor, Georgetown University; Vice President and Director of Environmental Analysis, Economists Incorporated; Economist Advisor to Commissioner Albrecht, Commodity Futures Trading Commission. Former positions with Natural Resources Branch, Office of Information and Regulatory Affairs, United States Office of Management and Budget: Deputy Chief; Senior Economist. Former Financial Consultant, Environmental Protection Agency; Associate, Putnam, Hayes and Bartlett, Inc.; Financial Analyst, General Electric Company; Research Associate, Temple, Barker & Sloane, Inc.; Research Assistant, Charles River Associates.