ResignedResigned · Jun 13, 2017
Rank #69 in Database

Marissa Mayer

President & CEO of Yahoo! Inc. (2012–2017)

NASDAQ: YHOO•Internet & Tech•United States
Marissa Mayer executive portrait
Photo: Wikimedia Commons (CC BY-SA 3.0)
Quick Answer & Tenure Summary

Marissa Mayer served as President & CEO of Yahoo! Inc. for a verified duration of 4 years 10 months (1,792 days), from Jul 17, 2012 until Jun 13, 2017. During this tenure, Marissa Mayer guided Yahoo! Inc. across major corporate milestones before resigning as chief executive.

In Office
4 years 10 months
1,792 days
Start Date
Jul 17, 2012
Appointed 2012
End Date
Jun 13, 2017
Resigned
Age at Appointment
37 years old
Born May 30, 1975

Executive Succession & Corporate Facts

Predecessor
Not recorded
Successor
Not recorded
Database Tenure Rank
#69 Longest-Serving CEO in Database (View Full Rankings →)
Company Founded
Jan 1, 1994 (Sunnyvale, California)
Known Aliases
Marissa Ann Mayer

Tenure Milestones & Transition Timeline

Jul 16, 2012Source ↗

Yahoo! Names Google Executive Marissa Mayer as President and CEO

Yahoo!'s Board appointed prominent Google product vice president Marissa Mayer as CEO effective July 17, 2012.

Jul 17, 2012Source ↗

Marissa Mayer Takes Office as CEO of Yahoo!

Mayer formally assumed leadership of Yahoo!, becoming one of only 20 female CEOs leading a Fortune 500 company.

May 20, 2013Source ↗

Yahoo! Agrees to Acquire Tumblr for $1.1 Billion in Cash

Mayer led the acquisition of blogging network Tumblr to rejuvenate Yahoo!'s audience and mobile social footprint.

Sep 22, 2016Source ↗

Yahoo! Discloses State-Sponsored Data Breach of 500 Million User Accounts

Yahoo! announced that an unauthorized party copied user data from at least 500 million accounts in late 2014, leading to SEC inquiries.

Jun 13, 2017Source ↗

Marissa Mayer Resigns as CEO as Verizon Closes $4.48 Billion Acquisition

Mayer formally stepped down as CEO upon completion of the sale of Yahoo!'s operating business to Verizon Communications.

Related Leaders & Rankings

Same Company
Yahoo! Inc. Corporate Profile

Primary verified disclosure and leadership profile.

Global Benchmark

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