Billionaire Profile
Sam Altman
Global Rank
#1245

Image: TechCrunch | CC BY 2.0 | via Wikimedia Commons

Sam Altman

CEO, OpenAI
UNITED STATES
Real-Time Net Worth
$3.383B
Estimated based on OpenAI stock value as of March 7, 2026
-0.93% (24h)
Age
40
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

Sam Altman is an American entrepreneur and investor, best known as the CEO of OpenAI, a leading artificial intelligence research organization. Born on April 22, 1985, Altman's career began with the founding of Loopt, a social networking app, before he transitioned into venture capital and became president of Y Combinator, a prominent startup accelerator. His primary source of wealth stems from his investments, with significant stakes in numerous tech companies like Reddit and Stripe. As of February 2, 2026, Altman's net worth is estimated to be $1.9 billion. He is recognized as a visionary leader in the tech industry, driving innovation and shaping the future of AI. He is married to Oliver Mulherin and has one son.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/7/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Samuel Harris Altman was born in Chicago, Illinois, on April 22, 1985. He grew up in St. Louis, Missouri, where he attended John Burroughs School. From a young age, Altman displayed a strong interest in computers and programming. He attended Stanford University to study computer science in 2003 but dropped out after two years to pursue entrepreneurial ventures.

Rise to Success

Altman's entrepreneurial journey began with the founding of Loopt, a location-based social networking app, in 2005. Loopt was one of the first companies to receive funding from the startup accelerator Y Combinator. In 2011, he joined Y Combinator and served as president from 2014 to 2019. During his tenure, Y Combinator funded and nurtured numerous successful startups. In 2015, Altman co-founded OpenAI, where he currently serves as CEO. He has overseen the successful launch of ChatGPT in 2022, which led to increased interest in AI.

Key Business Strategies

Altman's business strategy is primarily focused on identifying and investing in promising technology startups. He has a diverse portfolio of investments, including companies like Stripe, Reddit, and Helion Energy. His venture capital firm, Hydrazine Capital, plays a significant role in managing his investment portfolio. Altman's approach also includes a strong focus on ethical considerations and the long-term impact of AI.

Philanthropy

Altman has expressed intentions to donate a significant portion of his wealth to charity, as part of the Giving Pledge.

Career Milestones

2005

Founded Loopt

Co-founded Loopt, a location-based social networking app.

2011

Joined Y Combinator

Joined Y Combinator as a partner.

2014

President of Y Combinator

Became president of Y Combinator.

2015

Co-founded OpenAI

Co-founded OpenAI, an artificial intelligence research company.

2019

CEO of OpenAI

Became CEO of OpenAI.

2024

Married Oliver Mulherin

Married Oliver Mulherin.

2025

Named an Architect of AI

Named among the "Architects of AI" for Time's Person of the Year.

Philanthropy & Social Impact

General

Giving Pledge

Undisclosed

Committed to donating most of his wealth.

Business Philosophy & Leadership

Notable Quotes

"“It's common to make more money from your single best angel investment than all the rest put together.”"

Leadership Principles

Focus on the Future

Prioritize long-term impact and anticipate future trends in technology.

Ethical Considerations

Emphasize the responsible development and deployment of AI.

Support Technical Founders

Invest in and support technically skilled founders.

Controversies & Challenges

2023

Brief Ousting as CEO

Briefly removed as CEO of OpenAI due to a lack of confidence from the board, but reinstated five days later.

2024

Lawsuit from Elon Musk

Elon Musk sued OpenAI and Sam Altman, accusing them of shifting focus from public benefit to profit maximization; OpenAI dismissed the claims.

2025

Lawsuit filed by Ann Altman

Altman's sister filed a lawsuit alleging sexual abuse.