American Express Global Business Travel named CityJet CEO Christine Ourmieres-Widener as its chief global sales officer.

Effective in June, Ourmieres-Widener will assume leadership for the travel management company's global sales organization, consulting division and Global Client Group, which oversees the largest corporate clients. Ourmieres-Widener will report to Philippe Chérèque, who recently expanded his role from chief technology officer to chief commercial and technology officer. Amex GBT also recently named Steve Curts, previously senior vice president of internal business systems, to the new role of chief strategy officer.