Mr. Clem has been the Chief Executive Officer of the Group since July 2011 and Manager of the company since May 2014
and had been the head of Evonik Degussa GmbH`s global Carbon Black business since August 2009.
He joined Degussa in 2001 and shortly after was named CEO of their joint venture in Carbon Black with a U.S.-based private equity firm. He has over 35 years of experience in the performance and specialty minerals and chemicals industry. Prior to joining Degussa, he held various senior management positions in North America and Europe at J.M. Huber Corporation and started his career in engineering and plant management at Occidental Chemical Corporation. Mr. Clem holds a master`s degree in business administration from West Texas A&M University and a bachelor`s degree in mechanical engineering from Texas Tech University.