Tom Duff Gordon exited to join OpenAI as head of EMEA Policy, a spokesperson for Coinbase said.

What to know:

• Tom Duff Gordon had been with Coinbase for nearly 4 years.
• Prior to working at Coinbase, he spent 8.5 years as a banker at Credit Suisse.

Tom Duff Gordon, the vice president of international policy at U.S.-listed cryptocurrency platform Coinbase (COIN), has left the firm for pastures green.

Duff Gordon, who had been with Coinbase for close to 4 years, left the exchange to join OpenAI as head of EMEA Policy, a Coinbase spokesperson said via email.

Duff Gordon had previously spent 8.5 years working as a banker at Credit Suisse. He did not immediately respond to a request for comment.

An expert on crypto regulations, Duff Gordon recently pointed out that U.K. banks are blocking millions of customers from accessing legal and compliant services, by failing to distinguish between Financial Conduct Authority-registered firms with low fraud rates and higher-risk operators.