[4][5][6] He then studied law at the Juridische Hogeschool in Tilburg, receiving his propedeuse in 2007, and followed a short officer training at the Royal Military Academy in Breda until 2008.
[4][7] He returned to college studying law in the years 2011–15 at Radboud University Nijmegen, and subsequently found a job as a legislative adviser at the Ministry of the Interior and Kingdom Relations.
[12] In the provincial council, Van Meijeren unsuccessfully called for a referendum about the construction of wind turbines and solar farms, saying that South Holland's plans were anti-democratic.
[8] Following a November 2020 article by Het Parool about extremist thoughts of members of the FVD's youth wing, five out of the seven provincial councilors in the States of South Holland left the party.
[14][15] A few months later, Elsevier Weekblad reported that Van Meijeren had replied "Hell no" in a WhatsApp group chat, after party leader Thierry Baudet had asked "Would you want your sister to come home with a negro?
"[16] Van Meijeren explained that it was an inside joke in a discussion about institutional racism, saying that his ex-girlfriend is Antillean and that his sister is married to a person of colour.
[17] He was elected to the House of Representatives with 602 preference votes, was installed on 31 March, and became FVD's spokesperson for justice, security, immigration, agriculture, nature, and the interior.
In May 2021, he violated social distancing rules – in effect due to the COVID-19 pandemic – after the maiden speech of fellow member of parliament Simone Kerseboom, when he congratulated her by kissing and hugging her.
[33] In September, the Speaker of the House interrupted a debate contribution by Van Meijeren, when he drew a comparison between restrictions for people not vaccinated against COVID-19 and the persecution of the Jews during World War II.
[34] Another two months later, after fellow member of parliament Nilüfer Gündoğan had complained in a debate about intimidating emails, Van Meijeren said that he was proud that his supporters were going all out to change her mind about the government's COVID-19 policy.
[39] While a House member, he told in an interview that he did not consider the Netherlands to be a democracy anymore, arguing that decisions are made in back rooms and that they cannot be changed by the parliament.
In October 2022, he made a video in which he approached a Hart van Nederland journalist to hold her accountable for a mistake and compared her to a sewer rat.
The action was widely condemned by other politicians including Prime Minister Mark Rutte, who called it a "new low point", as well as by the Dutch Association of Journalists.
[41] Van Meijeren and his party have often expressed their belief – labeled by media as a conspiracy theory – that the government is working with the World Economic Forum (WEF), a non-governmental organization, to subjugate the population.
Van Meijeren voiced his opinion that freedoms were being curtailed by the Dutch government and said that regimes exhibiting tyrannical behavior had been overthrown by the people before.
When Thierry Baudet stepped down effective 13 January 2025 to go on paternity leave, Van Meijeren succeeded him as the FVD's parliamentary leader in the House.