What is Johan Witteveen?
{{Infobox officeholder |name = Johan Witteveen |image = Johan Witteveen 1984 (1).jpg |office = [[International Monetary Fund|5th Managing Director of the IMF]] |term_start = 1 September 1973 |term_end = 18 June 1978 |predecessor = [[Pierre-Paul Schweitzer]] |successor = [[Jacques de Larosière]] |office1 = [[Senate (Netherlands)|Member of the Senate]] |term_start1 = 8 June 1971 |term_end1 = 1 September 1973 |office2 = [[Deputy Prime Minister of the Netherlands]] |term_start2 = 5 April 1967 |term_end2 = 6 July 1971 |primeminister2 = [[Piet de Jong]] |alongside2 = [[Joop Bakker]] |predecessor2 = [[Jan de Quay]] <br/> [[Barend Biesheuvel]] |successor2 = [[Roelof Nelissen]] <br/> [[Molly Geertsema]] |office3 = [[Ministry of Finance (Netherlands)|Minister of Finance]] |term_start3 = 5 April 1967 |term_end3 = 6 July 1971 |primeminister3 = [[Piet de Jong]] |predecessor3 = [[Jelle Zijlstra]] |successor3 = [[Roelof Nelissen]] |office4 = [[House of Representatives (Netherlands)|Member of the House of Representatives]] |term_start4 = 21 September 1965 |term_end4 = 5 April 1967 |office5 = [[Ministry of Finance (Netherlands)|Minister of Finance]] |term_start5 = 24 July 1963 |term_end5 = 14 April 1965 |primeminister5 = [[Vic Marijnen]] |predecessor5 = [[Jelle Zijlstra]] |successor5 = [[Anne Vondeling]] |office6 = [[House of Representatives (Netherlands)|Member of the House of Representatives]] |term_start6 = 5 June 1963 |term_end6 = 24 July 1963 |office7 = [[Senate (Netherlands)|Member of the Senate]] |term_start7 = 23 December 1958 |term_end7 = 5 June 1963 |birthname = Hendrikus Johannes Witteveen |birth_date = {{Birth date|1921|06|12|df=y}} |birth_place = [[Zeist]], Netherlands