Sam Altman and Oliver Mulherin

Sam Altman and Oliver Mulherin are both closely connected to the technology world, but their public profiles are very different. Sam Altman is the highly visible entrepreneur and OpenAI CEO who helped shape the modern AI boom, while Oliver Mulherin has built his career as a software engineer and generally keeps his personal life private. The two married in January 2024 and welcomed their first son in February 2025. The comparison below brings together their key biographical, career, physical, family and wealth details in one place.

Sam Altman and Oliver Mulherin, Quick Bio

Category	Sam Altman	Oliver Mulherin
Full Name	Samuel Harris Altman	Oliver Mulherin
Date of Birth	April 22, 1985	1993; exact date not reliably confirmed
Net Worth	Estimated $2–$3.3 billion (2026); estimates vary and are not an official personal financial disclosure	Estimated $2–$10 million; no verified public figure
Height	About 5 ft 10 in (178 cm)	Estimated around 5 ft 11 in–6 ft (180–183 cm); not officially confirmed
Age	41 years old in 2026	Approximately 32–33 years old in 2026
Birth Place	Chicago, Illinois, USA	Melbourne, Victoria, Australia
Nationality	American	Australian
Profession	Entrepreneur, investor, programmer and technology executive	Software engineer / technology professional
Famous For	Co-founder and CEO of OpenAI; leading figure behind ChatGPT and the AI industry	Software engineering career and marriage to Sam Altman
Nickname	Sam	“Ollie” is sometimes reported, but not strongly documented
Parents	Jerry Altman (father) and Connie Gibstine (mother)	Parents’ names and detailed backgrounds are not reliably public
Siblings	Two brothers, Jack and Max, and sister Annie	Detailed sibling information is not reliably public
Education	John Burroughs School; Stanford University; left Stanford after two years	University of Melbourne, Bachelor’s degree in Computer Science
School	John Burroughs School, St. Louis	John Monash Science School, Melbourne
Career Start	Founded Loopt while young; later became a Y Combinator partner and president	Worked in software development and technology roles
Major Companies / Organizations	Loopt, Y Combinator, OpenAI, plus numerous investments	IOTA Foundation, SPARK Neuro, Broadwing, Meta
OpenAI Role	Co-founder and CEO	No official OpenAI executive role publicly established
Marriage	Married	Married
Spouse	Oliver Mulherin	Sam Altman
Wedding	January 2024, Hawaii	January 2024, Hawaii
Children	One son	One son
Child’s Birth	February 2025	February 2025
Hair Color	Brown	Brown
Eye Color	Not consistently documented	Not reliably confirmed
Hobbies / Interests	Technology, artificial intelligence, investing, cars and science fiction	Technology, software engineering and computing; detailed hobbies are private
Instagram	Public social-media presence, but account details should be verified before publication	A social account has been reported, but a reliably verified public account is difficult to establish
Family Profile	Comes from a family of four children; father was a real-estate broker and mother a dermatologist	Keeps his parents, siblings and wider family largely private
Career Highlight	Building OpenAI into one of the world’s most influential AI companies	Software engineering roles including work at Meta and AI-related technology companies
Public Profile	Very high — globally recognized technology executive	Low-key and private
Wealth Source	Investments, startup interests and technology ventures	Primarily technology/software career and professional earnings
Relationship	Husband of Oliver Mulherin	Husband of Sam Altman
Current Status	OpenAI CEO and prominent AI entrepreneur	Private technology professional and Sam Altman’s husband