Zuckerberg vs Saverin

Facebook's co-founders.

The differences

Forbes puts Mark Zuckerberg about $213B ahead of Eduardo Saverin.Forbes figures from 22 Sep 2026 and 9 Oct 2026.
Both started the company their money comes from.
Mark Zuckerberg has signed the Giving Pledge; Eduardo Saverin has not.
Mark Zuckerberg is from United States; Eduardo Saverin is from Brazil.
Mark Zuckerberg has held a public or government advisory role; Eduardo Saverin has none on record.

Put someone else on either side

Zuckerberg

Saverin

Net worth, Forbes: $253BForbes, 22 Sep 2026; $39.3BForbes, 9 Oct 2026
Net worth, Bloomberg: $251BBloomberg, 17 Oct 2026; $38.6BBloomberg, 17 Oct 2026
Forbes rank: No. 6Real-Time list, 22 Sep 2026; No. 54Real-Time list, 9 Oct 2026
Billionaire since: 2008First on the Forbes World's Billionaires list in 2008, with $1.5 billion; Not stated

How it started: Co-founded itLaunched Facebook in 2004 with Dustin Moskovitz, Chris Hughes and Eduardo Saverin; Meta calls him its founder; Co-founded itCo-founded Facebook with Harvard classmates in 2004 and was its first investor; Bloomberg says he was cut from the company months later and a 2009 legal settlement secured his stake
Main source: Meta Platforms stockBloomberg: 'The majority of Zuckerberg's fortune is derived from a stake of about 13% in Meta Platforms'; Meta Platforms stockBloomberg values his Meta stake at $37.9 billion of $38.6 billion
Companies: Meta PlatformsMeta Platforms: Founder, chairman and CEO; Meta Platforms (Facebook), B CapitalMeta Platforms (Facebook): Co-founder; no role at the company; B Capital: Co-founder and co-CEO
Biggest stake: Meta Platforms13.5% owned; Meta Platforms (Facebook)2% owned

Born: 14 May 1984White Plains, New York, United States; 1982São Paulo, Brazil
Country: United StatesLives in Palo Alto, California, United States; BrazilLives in Singapore
Education: Left university without a degreeStudied computer science at Harvard University and left without a degree; honorary Harvard degree in 2017; Bachelor's degreeBA, Harvard University
Parents: His father, Edward, was a dentist with a practice in the family home; his mother, Karen, was a psychiatrist; His father Roberto runs a Miami-based pharmaceutical export business; his mother is a psychologist. The family moved from Brazil to the US in 1992

Giving Pledge: Signed in 2010Pledged with Priscilla Chan; Not a signer
Foundation: Chan Zuckerberg InitiativeCo-founded with Priscilla Chan in 2015; he is co-CEO; Elaine and Eduardo Saverin FoundationRegistered as a charity in Singapore in 2023
Lifetime giving: $7.2BChan Zuckerberg Initiative, undefined Oct 2026. CZI's own total of grants committed since 2015 ('over $7.22 billion'); an initiative-wide figure, not a personal estimate; Not stated

Role now: Runs the companyFounder, chairman and CEO of Meta Platforms; Runs the companyCo-founder and co-CEO of B Capital
Successor: None namedMeta's proxy says the board oversees CEO succession planning but names no successor, and reports no family relationships among directors or executive officers; Co-leads B Capital with co-founders Raj Ganguly and Howard MorganNo family member named in an executive role
Public office: Member, President's Council of Advisors on Science and Technology (PCAST)2026-; None found
Legal record: None found; None found