Philippe Chérèque, president of American Express Global Business Travel (GBT), will leave the company on March 31 for a role at Certares, an investment firm led by Amex GBT’s executive board chairman Greg O’Hara. Certares leads a private equity group that holds a 50% stake in Amex GBT. Chérèque, who was appointed president in 2016, spearheaded the acquisition of travel and expense technology firm KDS that year. Prior to that, he served as senior vice president of corporate strategy, responsible for driving and coordinating the company’s business development, marketing, technical architecture and product plan. Chérèque joined Amadeus Global Travel Distribution S.A. as one of the founders in 1987. Meanwhile, Amex GBT has appointed Andrew Crawley as its new chief commercial officer, to assume that role on April 1, based in London. He is currently CEO of the Avios Group, the loyalty company owned by International Airlines Group, parent company of British Airways and Iberia.