American Express Poaches Boku CTO Erich Ringewald

A second executive from Boku, a mobile payments company in San Francisco, has signed on with American Express. Erich Ringewald, who was Boku’s co-founder and CTO, will join the company as VP of Software Product Management for Amex’s U.S. Consumer Services business. In May, American Express hired David Yoo, an SVP at Boku, to be SVP of its Commerce Innovation team.


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