 Voorhoeve worked as a political consultant for the World Bank in Washington, D.C. from April 1973 to January 1977 and soon after as a researcher for the Scientific Council for Government Policy from January 1977 to January 1979.Voorhoeve taught as a professor of Governmental Studies and International Relations at the Wageningen University from 1 January 1979 to 16 September 1982.Voorhoeve also worked as the executive director of the from 10 May 1979 to 16 September 1982.