Bryan McAllister’s personal reference notebook
July 30, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
How It Works • Social Media

Mark Zuckerberg

Mark Zuckerberg is an American technology executive and programmer best known as the co-founder, chairman, and chief executive officer of Meta Platforms, the company that originally launched Facebook in 2004.

Updated July 30, 20261 min readCited sources

Mark Zuckerberg is the co-founder and CEO of Meta Platforms, the company behind Facebook. He built one of the world's most influential social networks from a Harvard dorm room.

Background and education

Zuckerberg was born in White Plains, New York, in 1984. He attended Phillips Exeter Academy and later enrolled at Harvard University in 2002, where he studied computer science and psychology before dropping out to focus on Facebook.

Building Facebook and Meta

In February 2004, Zuckerberg launched Facebook with fellow Harvard students. The company grew into a global social media giant and later rebranded as Meta Platforms. He remains chairman and CEO, overseeing products like Facebook, Instagram, and WhatsApp.

Personal life and public profile

Zuckerberg married Priscilla Chan in 2012; the couple lives in the Palo Alto area. He is consistently ranked among the world's richest people, with Forbes estimating his net worth at about US$220 billion as of December 2025.

In short

  • Co-founded Facebook in 2004 while at Harvard.
  • Chairman and CEO of Meta Platforms.
  • Married to Priscilla Chan since 2012.
  • Net worth estimated at US$220 billion (2025).
Canadian angle

Zuckerberg’s companies, especially Facebook and Meta, have had major influence on how Canadians use social media, share news, and advertise online. Canadian readers may also encounter his platforms in discussions about privacy, regulation, and digital media.

Quick questions

How old is Mark Zuckerberg?
He was born on May 14, 1984, making him 42 as of 2026.
What is Mark Zuckerberg's net worth?
Forbes estimated his net worth at about US$220 billion as of December 2025.
How did Mark Zuckerberg start Facebook?
He launched Facebook in February 2004 while at Harvard University, initially with fellow students and roommates.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Mark_Zuckerberg
    Supports: Birth date, Harvard attendance, Facebook founding, role at Meta, and net worth estimate.
  2. Britannica Moneyhttps://www.britannica.com/money/Mark-Zuckerberg
    Supports: Birth date, age, birthplace, role as Facebook cofounder, and Harvard attendance.
  3. Metahttps://www.meta.com/about/leadership/mark-zuckerberg/
    Supports: His role as founder, chairman, and CEO of Meta, and that he studied computer science at Harvard.
  4. Biography.comhttps://www.biography.com/business-leaders/mark-zuckerberg
    Supports: Marriage to Priscilla Chan, birth details, education, and net worth estimate.
  5. Facebookhttps://www.facebook.com/ThingsYouDontKnowOfficial/posts/meta-ceo-mark-zuckerberg-turns-42-today-may-14-2026-born-in-white-plains-new-yor/1397166879118236/
    Supports: Age in 2026, marriage to Priscilla Chan, and family details.