Marissa Ann Mayer (; born May 30, 1975) is an American business executive, software engineer, and investor who served as president and chief executive officer of Yahoo! from 2012 to 2017, when it was sold to Verizon. She was a long-time executive, usability leader and key spokesperson for Google (employee No. 20), and was its first woman software engineer. Mayer later co-founded Sunshine and, after its assets were acquired in 2025, founded the artificial intelligence company Dazzle AI.
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