Brockman vs Ma

OpenAI and Alibaba Group.

The differences

Forbes puts Jack Ma about $0.6B ahead of Greg Brockman.Forbes figures from 9 Oct 2026 and 9 Oct 2026.
Both started the company their money comes from.
Jack Ma is about 23 years older than Greg Brockman.
Greg Brockman is from United States; Jack Ma is from China.
Jack Ma has held a public or government advisory role; Greg Brockman has none on record.

Put someone else on either side

Brockman

Net worth, Forbes: $25.5BForbes, 9 Oct 2026; $26.1BForbes, 9 Oct 2026
Net worth, Bloomberg: $25.5BBloomberg, 17 Oct 2026; $42BBloomberg, 10 Oct 2026
Forbes rank: No. 95Real-Time list, 9 Oct 2026; No. 91Real-Time list, 9 Oct 2026
Billionaire since: 2026Forbes called him the richest newcomer to its 2026 Forbes 400; Not stated

How it started: Co-founded itLeft Stripe in 2015 to co-found OpenAI with Sam Altman, Elon Musk, Ilya Sutskever and others; Co-founded itAlibaba was founded in 1999 by 18 people led by Jack Ma; Ant Group grew out of Alipay, set up in 2004
Main source: OpenAI stockBloomberg credits him with a $25 billion OpenAI stake and $471.3 million in Stripe shares; Alibaba and Ant Group shares, dividends and share salesBloomberg: most of his wealth is accumulated cash from dividends and share sales of Alibaba and Ant Group
Companies: OpenAIOpenAI: Co-founder and president; Alibaba Group, Ant GroupAlibaba Group: Partner in the Alibaba Partnership and partnership-committee continuity member; Ant Group: Founder; no management role
Biggest stake: OpenAIStake not stated; Ant Group9.9% owned

Born: 1987Thompson, North Dakota, United States; 10 Sep 1964Hangzhou, Zhejiang, China
Country: United StatesLives in San Francisco, California, United States; ChinaLives in Hangzhou, China
Education: Left university without a degreeLeft Harvard, then left MIT in his junior year to join Stripe in 2010; Bachelor's degreeBA in English, Hangzhou Teachers College (1988)
Parents: Son of two physicians; His parents were traditional Chinese musician-storytellers in Hangzhou

Giving Pledge: Not stated; Not a signer
Foundation: Not stated; Jack Ma FoundationFounded 15 December 2014
Lifetime giving: Not stated; $0.3BForbes, 2 Dec 2019. Forbes, citing Alibaba: the Jack Ma Foundation had 'distributed or pledged at least $300 million' since its founding; paid and pledged combined

Role now: Runs the companyPresident of OpenAI; Founder, no executive rolePartner in the Alibaba Partnership
Successor: Not stated; Daniel Zhang succeeded him as Alibaba chairman on 10 September 2019
Public office: None found; Member, UK Prime Minister's Business Advisory Group; Special Adviser for Youth Entrepreneurship and Small Business, UNCTAD2015; 2016
Legal record: None found; None found