Westlake Corporation appointed Jean-Marc Gilson, who most recently served as President and Chief Executive Officer of Mitsubishi Chemical Group Corporation, has been appointed to serve as President. A seasoned leader in the chemical industry with a proven ability to deliver sustained financial performance, Jean-Marc Gilson, 60, most recently served as President and CEO of Mitsubishi Chemical Group Corporation, an international chemical company based in Japan with more than $30 billion in revenue. From 2014 to 2020, Jean-Marc Gilson served as Chief Executive Officer of Roquette, a family-owned global leader in plant-based ingredients and a leading provider of pharmaceutical excipients.

Before that, Mr. Gilson served as Vice-Chairman and Chief Operating Officer of NuSil Technology, a U.S.-based global manufacturer of medical- and space-grade silicone technology. Earlier in his career, Mr. Gilson held various leadership roles at Dow Corning, including Executive Vice President, Specialty Chemicals Business, before becoming CEO of Avantor Performance Materials. Jean-Marc Gilson holds a Master of Science in Chemical Engineering from the University of Liège in Belgium and a Master of Business Administration from the International Institute for Management Development in Switzerland.