Currently: Chair, Foundation Bilderberg Meetings; Board, Koç University, Istanbul.
Formerly: Crown-Member, Social-Economic Council; Chairman, International Advisory Board, DaimlerChrysler; Advisor, Secretary-General, OECD; Member, Government's Council on Defence; H.M. the Queen's Informateur; President, International Institute of Public Finance; Member, Investment Committee, ABP; Non-Executive Director: ING, Stork, DaimlerChrysler, KPN, RHJI, TNT, PA, Concertgebouw, Nationale Opera & Ballet and Population Council; Advisor, The Goldman Sachs Group; Board, Lee Kuan Yew School for Public Policy, Singapore; Vice-Chair, International Centre for Missing & Exploited Children (ICMEC).