Pierre-Marie de Leener is a businessperson who has been at the helm of 10 different companies. Presently, he occupies the position of Chairman of Monier Holdings GP SA, Chairman for Sigma Group SA and Chairman of Flint Group Italia SpA.
He is also on the board of Trinseo LLC and Trinseo Plc.
In the past Mr. De Leener occupied the position of Chief Executive Officer at Fina Italiana SpA, Chief Executive Officer for Fina Research SA, Executive Vice President at PPG Industries, Inc. and President of PPG Europe (a subsidiary of PPG Industries, Inc.), Analyst at Petrofina SA and Regional Manager at Fina Oil & Chemical Co. (a subsidiary of Petrofina SA), Chairman & Chief Executive Officer at BMI Group Services GmbH, Chairman for Braas Monier Building Group SA, Chief Executive Officer at SigmaKalon Group BV and Chief Executive Officer for Sigmakalon Plc.
He received an undergraduate degree and a graduate degree from Université Catholique de Louvain.