American Express Global Business Travel has appointed AirPlus executive Yael Klein to lead its team in Germany, the travel management company announced. Klein, who has been with AirPlus for 22 years, most recently as chief marketing officer and chief product officer, will join Amex GBT on July 1 as VP and general manager for Germany. She will be responsible growing products, services and customer relationships in the country and will report to Jason Geall, Amex GBT’s SVP and general manager for Europe, the Middle East and Africa.