Director
Technology, Innovation and the Environment Project
Environmental Law Institute
Guest Researcher
International Institute for Applied Systems Analysis (IIASA)
Director
Science, Technology and Innovation Program and Foresight and Governance Project
Woodrow Wilson International Center for Scholars
Director
Interagency Environmental Technology Task Force of the Council on Environmental Quality
The White House
Policy Analyst
Office of Science and Technology Policy
The White House
Head
Future Studies Unit, Office of Policy, Planning & Evaluation
U.S. Environmental Protection Agency
Co-founder and Co-director
Appropriate Technology Assistance Group