After the war, he served as Minister of Foreign Affairs in several Catholic governments between 1949 and 1954 and as economic advisor to the Belgian government and to the council of ministers of the North Atlantic Treaty Organisation.
在这场战争以后他在1949年和1954年之间的几个天主教党政府中担任对外事务大臣和比利时政府的经济顾问以及北大西洋公约组织委员会的部长。