 Between 1976 and 1992, he worked at the Ministry of Finance, serving as Treasurer-General between 1986 and 1992.He is Chairman of the Supervisory Board of The Currency Exchange (TCX) Fund N.V. and the Erasmus Medical Centre, member of the Supervisory Board of BCD Holding N.V., Chairman of the Board of the Foundation 4 and 5 May, member and European Treasurer of the Trilateral Commission, member of the Capital Markets Consultative Group (IMF) and the International Advisory Board of the National Bank of Kuwait.He is also member of the Supervisory Board of [FMO], the Dutch development bank.