JPMorgan Chase & Co. (JPM), the biggest U.S. lender by assets, named Thasunda Brown Duckett the chief executive officer of its auto finance unit.

Duckett, 39, succeeds Marc Sheinbaum, who “asked to pursue other opportunities,” according to a staff memo distributed today by the New York-based company.

To contact the reporter on this story: Dawn Kopecki in New York at dkopecki@bloomberg.net

To contact the editor responsible for this story: Rick Green at rgreen18@bloomberg.net