Mary Jo White to Rejoin Debevoise

Mary Jo White, chair of the U.S. Securities and Exchange Commission in the Obama administration for nearly four years, is rejoining her old law firm.

Debevoise & Plimpton announced on Wednesday that the 69-year-old lawyer will return as senior chair.

As senior chair, White will maintain a full time legal practice advising boards of directors and clients on government investigations and litigation. She will also have what she described as an “advisory role” to firm management.

“I’m not involved in day-to-day management,” said White in an interview. “Michael Blair is our great presiding partner. They run the firm. But there is ...