Wouter Koolmees

Wouter Koolmees
Minister of Social Affairs and Employment
In office
26 October 2017 – 10 January 2022
Prime MinisterMark Rutte
Preceded byLodewijk Asscher
Succeeded byKarien van Gennip
Deputy Prime Minister of the Netherlands (acting)
In office
1 November 2019 – 14 May 2020
Prime MinisterMark Rutte
Member of the House of Representatives
In office
17 June 2010 – 26 October 2017
Personal details
Born (1977-03-20) March 20, 1977
PartyDemocrats 66 (D66)
Alma materUtrecht University
Preview warning: Page using Template:Infobox officeholder with deprecated parameter alma_mater which should be merged with/replaced by education.

Wouter Koolmees (born 20 March 1977) is a Dutch economist, politician and business executive of the Democrats 66 (D66) party. He served as Minister of Social Affairs and Employment in the Third Rutte cabinet from 2017 to 2022, and briefly as acting Deputy Prime Minister of the Netherlands in 2019–2020. Since 1 November 2022, he has served as president and CEO of Nederlandse Spoorwegen (NS), the principal Dutch national railway operator.