Kenneth Juster, a Warburg Pincus partner and managing director, was named deputy assistant to the president for international economic affairs.
Mr. Juster's areas of expertise at the private equity firm included political risk, global public policy, and regulatory matters, and he headed Warburg Pincus' environmental, social and governance program and initiatives, according to the firm's website.
Mr. Juster has held previous posts at the State Department and Commerce Department.
Warburg Pincus President Timothy Geithner previously served as treasury secretary from 2009 to 2013.
The White House did not release details of the appointment, but it was noted in a Securities and Exchange Commission filing Jan. 23 by Bridgepoint Education Inc., a Warburg Pincus Private Equity VIII fund investment. Mr. Juster had been a director on Bridgepoint's board.
A Warburg Pincus spokesman confirmed that Mr. Juster has left the firm.