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Marissa Mayer

Founder and CEO Dazzle

Former Yahoo CEO (2012-2017). Google employee #20, first female engineer at Google. Led Yahoo through massive data breaches, NSA surveillance controversy, and sale to Verizon. Known for work-from-home ban.

Career History

Dazzle Current
Founder
Sep 1, 2025 – Present
AI personal assistant startup. Acquired assets from Sunshine in September 2025.
Founder
Jan 1, 2017 – Sep 30, 2025
Originally called Lumi Labs, rebranded to Sunshine in 2020. Shut down in September 2025 with assets transferred to Dazzle.
CEO
Jul 17, 2012 – Jun 13, 2017
Led Yahoo during acquisition by Verizon for $4.48 billion. Received $239 million total compensation during tenure.
Executive
Jan 1, 1999 – Jul 16, 2012

Track Record

reactive

In 2015, Mayer and Yahoo General Counsel approved a classified government order under FISA Section 702 to build custom software scanning millions of Yahoo Mail accounts in real-time for the NSA/FBI. Chief Information Security Officer Alex Stamos resigned in June 2015 when he discovered the program, initially believing it was a hack. Mayer stated publicly that revealing such programs would be 'treason' and executives 'could go to prison.'