Riet Cadonau 

Swiss citizen, is a non-executive member of the Board of Directors of Kaba Holding AG and member of the Audit Committee. The Board of Directors of Ascom Holding AG has appointed Riet Cadonau CEO of the Ascom Group (effective 20 August 2007). Prior, he was Senior Vice President & Managing Director of ACS Europe & Transport Revenue, a global line of business of ACS, Inc. (Affiliated Computer Services) headquartered in Dallas (USA). From 2001 to 2005, he was a member of the Executive Board of the Ascom Group; from 2002, he was Deputy CEO and General Manager of the Transport Revenue Division, which was acquired by ACS at end 2005. From 1990 to 2001, Riet Cadonau held various management positions at IBM Switzerland, lastly as a member of the Management Board and Director of IBM Global Services. In addition, he is President of the Swiss Management Association (SMG) and a member of the Board of Directors of Griesser AG in Aadorf. Riet Cadonau holds a master‘s degree in economics from the University of Zurich. He complemented his education at INSEAD (Fontainebleau, Paris) with the Advanced Management Program.