Former Secretary and Director,  Association of International Petroleum Negotiators (AIPN)

Member, Bretton Woods Committee

Director, Institute for Energy, Law and Enterprise, University of Houston Law Center

Advisory Board, International Law Institute, University of Houston

Director, U.S. - Turkish Business Council

Director, Houston Journal of International Law

      Member, International Energy Law Committee, American Bar Association

Member, Sections on Energy and Resources Law and Business Law, International Bar Association

Member, Oil, Gas and Mineral Law and International Law Sections, State Bar of Texas

Council, Oil Gas and Mineral Law Section, Houston Bar Association

Trustee, Houston Ballet Foundation