Koos Verdam
Honorific prefixHis Excellency
OfficeExtraordinary Member
of the Council of State
Term start1 March 1980
Term end1 February 1985
Vice presidentMarinus Ruppert (1980)
Willem Scholten (1980–1985)
Office 1Queen's Commissioner of Utrecht
Term start 116 March 1970
Term end 11 February 1980
Monarch 1Juliana
Predecessor 1Constant van Lynden van Sandenburg
Successor 1Pieter van Dijke
Office 2Member of the Senate
Term start 223 May 1967
Term end 216 March 1970
Office 3Minister of the Interior
Term start 35 September 1966
Term end 35 April 1967
Prime minister 3Jo Cals (1966)
Jelle Zijlstra (1966–1967)
Predecessor 3Ivo Samkalden (ad interim)
Successor 3Henk Beernink
Birth namePieter Jacobus Verdam
Birth date15 January 1915
Birth placeAmsterdam, Netherlands
Death date11 March 1998 (aged 83)
Death placeBilthoven, Netherlands
PartyChristian Democratic Appeal
(from 1980)
Other partyAnti-Revolutionary Party
(until 1980)
SpouseJantina Boomsma (m. 29 April 1943)
Alma materVrije Universiteit Amsterdam
(Bachelor of Laws, Master of Laws, Doctor of Philosophy)
OccupationPolitician · Jurist · Researcher · Academic administrator · Professor

Pieter Jacobus "Koos" Verdam (15 January 1915 – 11 March 1998) was a Dutch politician of the defunct Anti-Revolutionary Party (ARP) now merged into the Christian Democratic Appeal (CDA).

The reformed Verdam was a professor for Roman law and international civil law at the Vrije Universiteit Amsterdam and from 1959 to 1960 its Rector Magnificus. From 1966 to 1967 he was the Minister of the Interior and Kingdom Relations in the Zijlstra cabinet. In 1970 he became the Queen's Commissioner of Utrecht.

Decorations

Honours
Ribbon barHonourCountryDateComment
Knight of the Order of the Netherlands LionNetherlands3 June 1963
Grand Officer of the Order of Orange-NassauNetherlands1 February 1980Elevated from Commander (27 April 1967)
Official