AT&T elected Marissa Mayer to its board of directors, effective immediately. She will serve on the Audit committee as well as the Corporate Development and Finance committee. Her election brings the number of AT&T directors to 11.

Mayer is Chief Executive Officer of Sunshine Products, a technology start-up she co-founded in 2018. Prior to this role, Mayer served as Chief Executive Officer, President and a member of the Board of Directors of Yahoo! Inc. She also spent 13 years at Google, where she was the company's first woman engineer.

Mayer has been a member of the Walmart Inc. board since 2012, is on the board of the San Francisco Ballet, and previously was on the foundation board for the Forum of Young Global Leaders at the World Economic Forum. Mayer holds a bachelor's degree in symbolic systems and a master's degree in computer science with a focus on artificial intelligence from Stanford University.