Charles van der Straten Waillet is Chairman of CS Holding, a Brussels based Communication Consultancy that he founded in 1993. Prior to that he spent 25 years with another communication consultancy which he co-founded and developed, before it merged with Shandwick. He is a former board member and twice President of the International Public Relations Association. He is the chairman of the Belgian MS (multiple sclerosis) Society and a board member of the International MS Federation (MSIF) and of the Belgian Brain Council. He is also a board member of the African Chamber of Commerce in Belgium (CBL-ACP Chamber) and of United Fund for Belgium.