Stefaan Raes is a partner in the Brussels law firm Liedekerke Wolters Waelbroeck Kirkpatrick, which is one of the largest independent Belgian law firms offering a full service to business clients. He specialises in competition law, European law and litigation.

Before joining Liedekerke in April 2015, he was a judge at the Brussels Court of Appeal. During a leave of absence as a judge, he was the President of the Belgian Competition Authority (2004–2013). Before being elevated to the Court of Appeal, he was a judge at the court of first instance (1994–1998). He started his legal career as an attorney at the Brussels law firm De Bandt van Hecke Lagae and as an assistant professor at the Faculty of Law of the University of Leuven. He studied law in Antwerp and Leuven, and obtained an LLM at the University of Chicago Law School (1981).