He is a master of Laws (ULB, 1975), a lawyer registered at the Mons bar, a former professor at the Cours provinciaux d'administration of Hainaut Province and a member of the board of administrators of Université de Mons-Hainaut.
He was tasked with significant criminal dossiers in the 1980s and 1990s: the acquittal of the "filière boraine" in May 1988 at the Mons court of assizes (after having obtained the divestment of Nivelles investigating judge Schlicker), affair of the "négriers du centre", etc.
Before the local elections of 1994, he was ejected from the PS,[2] founded the "Mons, Démocratie et Liberté" list and joined Jean Gol's PRL-FDF.
[4] Moerman is known for his statements in favor of the governing regime of Azerbaijan and criticizing the reports of prominent human rights organizations such as Amnesty International.
[5] Moerman was mentioned as a member of the so-called "Habsburg group", potential lobbyists for Ukraine, in a 21-page filing by U.S. Special Counsel Robert Mueller that was unsealed on 13 June 2018.