Tarbert said he expects to receive a refund of his Allen & Overy capital account—he placed the value at between $250,000 and $500,000—calculated as of the date of his withdrawal and under the partnership agreement. Tarbert also said he anticipated receiving between $500,000 and $1 million in his final partnership share.

Tarbert’s financial disclosure shows he provided legal services last year to major financial institutions, including JPMorgan Chase & Co., Goldman Sachs Group Inc., Bank of America Corp., Citigroup Inc., HSBC Holdings, Royal Bank of Scotland Group and Morgan Stanley & Co. The disclosure also reveals Tarbert provided legal services to J. Christopher Giancarlo, who was then a member of the U.S. Commodity Futures Trading Commission. Giancarlo was confirmed in August as chairman of the agency. Tarbert’s disclosure did not reveal what work he did for Giancarlo.

“We are proud that one of our partners has been asked to assume such an important international position at the Treasury Department,” Barbara Stettner, managing partner of the Washington office, said in a statement. “We encourage public service in our firm and have had numerous colleagues take on key positions in government over the years.”

Read more: For Global Law Firms, Is This as Good as It Gets?