In this role, Fabara will be responsible for worldwide credit, collections and fraud operations. He will succeed Larry Sharnak, who announced his retirement in September 2010.

Fabara, who will be based in New York, will report to Steve Squeri, group president, Global Services.

Fabara will join American Express from Barclays Bank in London where he most recently served as managing director and global head of operations, regulatory, implementation and planning. He also served as global chief operating officer of BarclayCard.

Squeri said Paul brings a truly global view, having run multiple worldwide businesses and worked in both the US and the UK. He has deep credit and operations experience, honing his management skills at firms including Barclays, Alliance Data Systems and Providian.