Diederik Boomsma

Diederik Thomas Boomsma (born 22 June 1978) is a Dutch politician. He was a member of the House of Representatives for New Social Contract (NSC) between 4 July 2024 and 21 August 2025.^[1] He succeeded Judith Uitermark, who had been appointed interior minister in the Schoof cabinet two days earlier, and his portfolio includes migration, human trafficking, prostitution, spatial planning, nature, and fisheries.^[2][3]

Key Information

Diederik Boomsma
Member of the House of Representatives
In office 4 July 2024 – 21 August 2025
Preceded by	Judith Uitermark
Member of the Amsterdam Municipal Council
In office 10 November 2016 – 11 October 2023
Personal details
Born	Diederik Thomas Boomsma (1978-06-22) 22 June 1978 (age 47) Leiderdorp, Netherlands
Political party	JA21 (since 2025)
Other political affiliations	CDA (until 2023) NSC (2023–2025)
Alma mater	Durham University University College London
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Boomsma attended Stedelijk Gymnasium Leiden before studying at Durham University and University College London.^[4] He was a member of the Amsterdam Municipal Council for the Christian Democratic Appeal from November 2016 until October 2023.^[1][5][6] In 2022, he was voted "best councillor in the Netherlands".^[7]

This list is incomplete; you can help by adding missing items. (November 2024)

Electoral history of Diederik Boomsma

Year	Body	Party		Pos.	Votes	Result		Ref.
						Party seats	Individual
2022	Amsterdam Municipal Council		Christian Democratic Appeal	1	5,620	1	Won	[9]
2023	House of Representatives		New Social Contract	21	1,316	20	Lost[a]	[10]
2025	House of Representatives		JA21	6

1. ^ ^{a b} "Drs. D.T. (Diederik) Boomsma". Parlement.com (in Dutch). Retrieved 1 September 2025.
2. ^ "Benoemingen leden Tweede Kamer en Europees Parlement" [Appointments members House of Representatives and European Parliament]. Electoral Council (Press release) (in Dutch). 4 July 2024.
3. ^ "Tweede Kamerfractie" [House of Representatives group]. New Social Contract (in Dutch). Retrieved 4 February 2025.
4. ^ "Diederik Boomsma". Het Parool (in Dutch). Retrieved 1 September 2025.
5. ^ den Hartog, Tobias; Timmer, Edwin (26 September 2023). "Omtzigt kiest voor veel ex-CDA'ers, een model en lokale politici – en sluit het premierschap toch niet ui". parool.nl. Retrieved 2024-07-16.
6. ^ "Raad 11-10-2023" [Council 11-10-2023]. Municipality of Amsterdam council information (in Dutch). Retrieved 1 September 2025.
7. ^ "Diederik Boomsma, die in Amsterdam in zijn eentje het CDA vertegenwoordigt, verkozen tot beste raadslid van Nederland". Retrieved 2024-07-16.
8. ^ "Diederik Boomsma". House of Representatives. Retrieved 26 December 2024.
9. ^ "Gemeenteraad 16 maart 2022" [Municipal Council 16 March 2022]. Electoral Council (in Dutch). Retrieved 4 November 2024.
10. ^ "Model P 22-1: Proces-verbaal van de uitslag van de verkiezing van de Tweede Kamer der Staten-Generaal" [Model P 22-1: Report of the results of the election of the House of Representatives] (PDF). Staatscourant (in Dutch). Vol. 2024, no. 119. 24 January 2024. pp. 143–144. Retrieved 3 November 2024 – via Overheid.nl.

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