He followed part of his secondary education in Dutch at a school in Bilzen,Limburg.
After a degree in law from the Catholic University of Louvain and a Master of European Law from the University of Southampton, he became lawyer at the Bar association of Liège in 2002.
He started his political career in 2003, when he was elected as member of the Belgian Chamber of Representatives where he quickly became group member for his party and second vice-president of the cdH.
He became secretary of state in charge of the budget in the Leterme II Government, and kept this charge in the Van Rompuy I Government and the Leterme II Government.He became secretary of state in charge of Environment, Energy and Mobility in the Di Rupo I Government in 2010.
After the 2014 elections on 22 July 2014 Joelle Milquet resigned to become minister of Lower education and Culture in the Government of the French Community.
She was replaced as Deputy-Prime Minister and Minister of the interior by Wathelet.