Stéphanie is a seasoned Belgian international field hockey defender and penalty-corner specialist known for her strong defensive play, scoring threat from set pieces, and leadership on the pitch. She made her senior debut for the Belgium women's national team (Red Panthers) in 2014 and has since been a key figure in major tournaments including the Olympic Games and European Championships, helping Belgium to medals at the continental level.

At club level, Stéphanie currently plays for Braxgata Hockey Club in the Belgian top division after a long spell with Gantoise HC, where she developed her game and won domestic titles.