After completing his lawstudies at the Katholieke Universiteit Leuven, he moved in 1999 to Brussels to start his legal career in public law.
Despite his earlier dismissal, Pison applied again for a job at Vlaams Belang, but was refused by the party.
In 2024, Apache and Humo discovered that Pison gave a tour of the Flemish Parliament as a member of the Brussels Parliament to Roman Zentsov, ex-MMA-fighter and leader of the Russian far-right organisation Soprotivlenie and called Zentsov an "ally in the common struggle against the islamic threat to Europe" in which "Russia has an important role to play".
[4] Already in 2009, Pison claimed to have met Russian politicians and to have stirred the interest of younger generations for Putins Russia.
In the same year, Pison was invited to speak at the so-called Seliger-camp, a youth festival known for its ties to the regime and as a propaganda instrument for Moscow.