Sam Altman Bio, Age, Husband, Children, OpenAI CEO & Net Worth

Sam Altman Biography

Sam Altman is an American entrepreneur and investor who serves as OpenAI’s cofounder and chief executive officer. He leads the company behind ChatGPT, the conversational AI product that brought generative artificial intelligence to a broad audience.

Before OpenAI, Altman founded the location-sharing startup Loopt and led the startup accelerator Y Combinator. His career connects three parts of Silicon Valley: building companies, financing founders, and commercializing emerging technology. Each stage expanded his relationships with entrepreneurs and investors.

Altman helped establish OpenAI in 2015 and became CEO in 2019. Later, ChatGPT’s November 2022 launch made the organization a prominent name in consumer technology. Its conversational interface allowed people to experiment directly with AI-generated answers, explanations, and writing. OpenAI’s original announcement also acknowledged significant limitations, including plausible but incorrect answers.

His leadership has included major setbacks. In November 2023, OpenAI’s board removed him before the company reinstated him later that month. The episode brought unusual public attention to the relationship between executive authority and nonprofit oversight.

Meanwhile, Altman has built substantial wealth through investments outside OpenAI. He also shares a family with his husband, Oliver Mulherin. His public career now involves questions about AI access, corporate accountability, infrastructure, and human control over increasingly capable systems.

Sam Altman Age | Birthday: How Old is Sam Altman?

Sam Altman is 41 years old as of November 11, 2026. He was born on April 22, 1985, in Chicago, Illinois. He celebrates his birthday every April 22 and turns 42 in 2027. His career began unusually early: he launched Loopt at 20 and became Y Combinator’s president at 28. Later, he became OpenAI’s CEO at 33, shortly before his 34th birthday. These milestones trace more than two decades of entrepreneurship and technology leadership.

Sam Altman Height: How Tall is the OpenAI’s CEO?

Sam Altman’s height is estimated as 5 feet 10 inches, approximately 178 centimeters. However, this represents a published listing rather than an independently verified measurement. Other biographical websites provide conflicting figures, making a definitive height difficult to establish. Furthermore, the sources reviewed do not include a direct statement from Altman confirming his height. Photographs also cannot settle these differences because camera angles, footwear, and posture affect apparent stature. Therefore, readers should treat 5 feet 10 inches as a reported measurement, rather than an officially confirmed physical detail.

Sam Altman Education

Sam Altman graduated from John Burroughs School in 2003 before enrolling at Stanford University to study computer science. At Burroughs, conversations with a computer science teacher encouraged his interest in artificial intelligence. He later credited the school’s computer lab with inspiring him to consider working in AI. However, Altman left Stanford in 2005, after two years, without earning a bachelor’s degree. He instead focused on Loopt, a location-sharing startup that joined Y Combinator’s inaugural batch. His educational journey therefore combined formal computer science studies with practical experience developing a technology business.

Sam Altman Young | Early Life & Childhood

Sam Altman was born on April 22, 1985, in Chicago, Illinois, and grew up near St. Louis, Missouri. He developed an early interest in technology, receiving an Apple Macintosh computer at eight. Soon, he learned programming and explored computer hardware by taking machines apart. Beyond technical experimentation, online communities helped him understand his sexuality while growing up gay in the Midwest. He later described internet chat rooms as transformative during those formative years. These experiences connected his childhood curiosity about computers with opportunities for communication, exploration, and personal expression.

Sam Altman Ethnicity

Sam Altman has Jewish heritage and grew up in a Jewish family near St. Louis, Missouri. His background connects him with Jewish cultural and ancestral traditions. Furthermore, Altman has publicly affirmed his Jewish identity, including during discussions about antisemitism. In January 2024, he expressed concern about growing discrimination against Jewish people. However, the sources reviewed do not establish a more specific ancestral subgroup, so this biography avoids assigning one.

Sam Altman Religion

Sam Altman identifies as Jewish and has discussed his religious outlook publicly. During a September 2025 interview with Tucker Carlson, he described his worldview as fairly traditional. However, he explained that he does not interpret the Bible literally. He also rejected describing his Jewish identity as solely cultural. Additionally, Altman expressed openness to something beyond current scientific understanding while acknowledging uncertainty about its nature. His statements clarify his religious identification without establishing a particular denomination or level of observance.

Sam Altman Nationality & Citizenship

Sam Altman is American, and Forbes lists his citizenship as United States. He was born on April 22, 1985, in Chicago, Illinois, before growing up in Missouri. Later, he moved to California, where he attended Stanford University and developed his technology career. His American nationality identifies his citizenship, while his Jewish heritage describes a separate aspect of his background.

Sam Altman Family: Parents & Siblings

Altman’s parents are Connie Gibstine, a dermatologist, and Jerry Altman, who worked in real estate. He is the oldest of four children. His younger siblings are Jack, Max, and Annie Altman. His father died in 2018. Both brothers also entered the technology and investment world. However, family relationships remain distinct from his professional position at OpenAI.

Sam Altman Husband: Oliver Mulherin

Altman’s husband, Oliver Mulherin, is an Australian software engineer. The couple married in January 2024 during a small seaside ceremony. Altman confirmed the marriage to NBC News after wedding photographs circulated online.

Their relationship attracted broader attention as Altman’s public profile grew through ChatGPT. Nevertheless, Mulherin maintains a comparatively private life. The couple subsequently became parents, adding another publicly documented milestone to their relationship. NBC’s wedding reporting confirmed their marriage directly with Altman.

Sam Altman Children | Kids

Altman and Mulherin welcomed a son in February 2025. Altman announced the birth on February 22, sharing a photograph of the baby’s hand. He said their son arrived early and initially needed neonatal intensive care. In the same announcement, he described the baby as doing well and expressed deep love for him. The announcement established their entry into parenthood, although the sources reviewed here do not verify the child’s name. This biography therefore omits identifying details beyond Altman’s public announcement.

Sam Altman Career Timeline

Sam Altman Early Career: Loopt & Y Combinator

Altman cofounded Loopt in 2005, developing mobile technology that helped users share their locations. The startup entered a market where mobile services were still evolving rapidly.

In March 2012, Green Dot announced a $43.4 million cash acquisition. However, the total included approximately $9.8 million for retaining key employees. Consequently, the headline figure does not represent Altman’s personal proceeds. Green Dot’s acquisition announcement explains that distinction.

Altman later moved into a broader leadership role at Y Combinator. In February 2014, Paul Graham announced that Altman would become president. Graham framed the appointment around the accelerator’s need to grow alongside increasing interest in entrepreneurship.

Altman served as president until 2019. His progression from participating founder to accelerator leader gave him experience working with numerous startups and investors.

Sam Altman OpenAI CEO: Founding & ChatGPT

OpenAI launched in December 2015, with Altman and Elon Musk serving as co-chairs. Its original announcement described a nonprofit research organization seeking to benefit humanity through digital intelligence.

In 2019, OpenAI introduced OpenAI LP, a capped-profit structure intended to attract investment while retaining nonprofit oversight. The announcement identified expensive computing infrastructure and talent recruitment as reasons for raising additional capital. Altman became CEO during this transition.

OpenAI then released ChatGPT on November 30, 2022. The initial research preview invited users to explore a model that could respond conversationally and handle follow-up questions. Altman’s role centers on organizational leadership, financing, and strategy. OpenAI’s researchers, engineers, and other teams developed the technology. Describing him as ChatGPT’s sole inventor would misrepresent that collective work.

Why Did OpenAI Fire Sam Altman?

OpenAI’s board dismissed Altman on November 17, 2023. At the time, directors said his communications had prevented effective oversight. That explanation represented the board’s stated assessment. OpenAI announced his return as CEO on November 29 with a new initial board. Subsequently, a board-commissioned review examined the events surrounding his dismissal.

In March 2024, OpenAI announced renewed board confidence in Altman and Greg Brockman. Altman also rejoined the board. The company introduced governance changes, including stronger conflict-of-interest procedures and a whistleblower hotline. OpenAI’s review announcement documents those measures.

Sam Altman Latest News: AI Safety & Infrastructure

On September 23, 2026, Altman addressed the United Nations Security Council about AI opportunities and risks. He emphasized human oversight and warned against concentrating power in a small number of institutions.

More recently, OpenAI announced infrastructure commitments on November 5, 2026. Its proposals addressed electricity costs, water use, community participation, and public reporting at future company-operated computing campuses.

These developments connect Altman’s public safety arguments with the practical demands of expanding AI infrastructure. However, the commitments describe company policies and proposals; they do not establish that every promised outcome has occurred.

Sam Altman Salary: How Much Does the OpenAI CEO Earn?

Sam Altman received approximately $66,000 in reported salary during 2024, according to The Wall Street Journal. OpenAI’s 2024 tax filing provides a more detailed compensation breakdown. It lists $65,638 in reportable compensation from related organizations, plus $48,036 in estimated other compensation. Together, those categories total $113,674, although that amount does not represent salary alone. Meanwhile, the nonprofit itself reported paying him no direct compensation. These figures describe his historical employment compensation, rather than investment earnings or personal wealth. However, the sources reviewed do not establish his exact 2026 salary.

Sam Altman Net Worth

Sam Altman’s estimated net worth reached $3.1 billion on November 11, 2026, according to Forbes’ real-time billionaire profile. His fortune primarily reflects investments accumulated throughout his entrepreneurial and venture capital career. Forbes identifies stakes in Stripe, Reddit, and nuclear fusion company Helion among his wealth sources. Furthermore, its profile states that he holds no equity in OpenAI. Consequently, OpenAI’s valuation does not translate directly into his personal fortune. His estimated wealth can fluctuate as investment values change. Readers should therefore treat the figure as a dated asset estimate, rather than annual income or available cash.

Sam Altman Quick Facts

• Full Name: Samuel Harris Altman
• Date of Birth: April 22, 1985
• Age: 41 years old as of November 2026
• Birthplace: Chicago, Illinois, United States
• Nationality: American
• Ethnicity | Heritage: Jewish
• Religion: Judaism
• Height: Reportedly 5 feet 10 inches (178 cm); not officially confirmed
• Mother: Connie Gibstine
• Father: Jerry Altman
• Siblings: Jack, Max, and Annie Altman
• Husband: Oliver Mulherin
• Marriage: January 2024
• Children: Publicly announced a son in February 2025
• Education: John Burroughs School; studied computer science at Stanford University without completing a degree
• Profession: Entrepreneur, investor, and technology executive
• Current Role: OpenAI cofounder and CEO
• Previous Roles: Loopt cofounder and Y Combinator president
• Reported Salary: Approximately $66,000 in 2024
• Estimated Net Worth: $3.1 billion, according to Forbes on November 11, 2026