s I.imited Manfred Rosette Chohnum Messe Berlin GmbH Peter Cass Ptesning Preferred Hotels & Resorts Alun Cathcart Chahnum & CEO Avis Europe Gerlach Cerfontaine President Amsterdam Airport Schiphol U. Gary Charlwood Chairman & CEO Uniglobe Travel (International) Inc. Christophe Charpentier Chabman Ha