American Express Global Business Travel is continuing to grow its technology and innovation platform with two new appointments.
Christophe Tcheng has been made vice president, Core Products and Platform Architecture and will be based in London while Evan Konwiser has been made vice president, Digital Traveller, based in New York.
Tcheng joins from Amadeus Technology Group SA and Konwiser was previously co-founder and chief operating officer of Lark Travel Group.
Philippe Chereque, chief technology officer of American Express Global Business Travel, said: "I am delighted to bring in two individuals with such extensive experience and industry insight, as technology and innovation continue to be our priority focus for growth."