Van Nispen studied Dutch law at Tilburg University between 2000 and 2004. He then joined a law firm and did a master's degree in international and European public law between 2006 and 2007. Since then he worked for the Socialist Party group in the House of Representatives, occupying himself with the topic of Justice. Since his 2023 re-election to the House, Van Nispen has been the Socialist Party's spokesperson for justice, safety, migration, governance, and sports.[2]
In February 2024, a motion by Michiel van Nispen and Mohammed Mohandis (GL-PvdA) was carried to reintroduce swimming lessons in elementary schools. They called on the government to prepare scenarios for their initiative in response to declining swimming skills among youths.[3] The House passed another motion by Van Nispen to ban international adoptions, which he called harmful to children.[4]
^"Uitslag Tweede Kamerverkiezing 2010" [Results 2010 general election] (PDF). Dutch Electoral Council (in Dutch). 16 June 2010. pp. 22–23. Retrieved 22 December 2023.
^"Uitslag Tweede Kamerverkiezing 2012" [Results 2012 general election] (PDF). Dutch Electoral Council (in Dutch). 17 September 2012. pp. 68–80, 153. Retrieved 22 December 2023.
^"Proces-verbaal verkiezingsuitslag Tweede Kamer 2021" [Report of the election results House of Representatives 2021] (PDF). Dutch Electoral Council (in Dutch). 29 March 2021. pp. 106–110, 231. Retrieved 21 December 2023.