WarnerMedia named Ann Sarnoff, an executive with extensive experience in media and sports, the first female chief executive at Warner Bros.

Sarnoff, 57, is currently president of BBC Studios Americas, managing the U.K. media company's business division in the U.S., Canada and Latin America.

She'll join Warner Bros. as chairman and CEO in Los Angeles this summer. And Sarnoff comes on board at a critical time: In mid-March Chairman and CEO Kevin Tsujihara stepped down following allegations of sexual misconduct

In the interim, a three-executive team had run Warner Bros.: Toby Emmerich, chairman of its Pictures Group; Peter Roth, president and chief content officer at its Television Group, and Kim Williams, executive vice president and chief financial officer at Warner Bros.

Prior to her BBC tenure, Sarnoff was president of Dow Jones Ventures (NWS) - Get Report and senior vice president of strategy and chief operating officer at the Women's National Basketball Association.

And she held roles at Viacom, (VIA) - Get Report (VIAB) - Get Report including within the kids' cable channel Nickelodeon and at VH-1, which started with music videos and these days does reality programming.

She holds an MBA from Harvard Business School and sits on the board at PayPal Holdings  (PYPL) - Get Report .

WarnerMedia is a subsidiary of the Dallas telecom giant AT&T  (T) - Get Report . Its prominent consumer brands include Warner Bros., HBO, CNN, Cartoon Network and more.

AT&T shares closed 0.4% higher at $32.58 on Monday.