JELD-WEN Holding, Inc. announced that As part of a previously planned transition, William (Bill) Christensen will join JELD-WEN as EVP and president of JELD-WEN Europe on April 1. About William (Bill) Christensen: Christensen joins JELD-WEN after six years at REHAU AG, where he led transformation efforts to drive profitable growth. Prior to joining REHAU AG, Christensen was CEO of AFG Holding, a Swiss-based global building products manufacturer. In addition, he spent 10 years at Geberit International AG, a Swiss-based global plumbing manufacturer, in several executive roles including group executive board member and head of international sales, as well as president and CEO of The Chicago Faucets Company.