Singapore Airlines, Independent Non-Executive Member of the Board of Directors (2009-2018)[11][12] Bayer AG, Member of the Supervisory Board (2006-2016)[3] Bertelsmann AG, Member of the Supervisory Board (2005-2017)[13] Dubai International Capital, Member of the Advisory Board (since 2007)[14] Bayer Schering Pharma AG, Member of the Supervisory Board[6]