Marissa Ann Mayer is an American business executive and investor who served as president and chief executive officer of Yahoo! from 2012 to 2017. She was a long-time executive, usability leader and key spokesperson for Google. Mayer later co-founded Sunshine, a startup technology company.

Yahoo! is an American web services provider. It is headquartered in Sunnyvale, California, and operated by the namesake company Yahoo! Inc., which is 90% owned by investment funds managed by Apollo Global Management and 10% by Verizon Communications.