Who Is Michael Seibel? Age, Biography and Wiki
Born on October 7, 1982, Michael Seibel has made a name for himself as a prominent figure in the tech startup ecosystem. As of 2025, he is 42 years old and serves as the managing director of Y Combinator, one of the most prestigious startup accelerators in the world. Seibel’s journey began at the University of California, Berkeley, where he earned a degree in Symbolic Systems. He later co-founded Justin.tv, which transitioned into Twitch, paving the way for his entrepreneurial success.
| Occupation | Business |
|---|---|
| Date of Birth | October 7, 1982 |
| Age | 43 Years |
| Birth Place | New York City, U.S. |
| Horoscope | Libra |
| Country | U.S |
Popularity
Michael Seibel's Popularity over time
Height, Weight & Measurements
Michael Seibel stands at approximately 5 feet 10 inches (178 cm) tall and weighs around 170 pounds (77 kg). His physique reflects a balanced lifestyle, essential for a leader in the fast-paced tech industry. While specific measurements are not publicly available, it’s apparent that he maintains a healthy and active lifestyle.
Family, Dating & Relationship Status
Regarding his personal life, Michael Seibel has often kept details private. As of 2025, he is reportedly in a committed relationship, but further details about his partner, including a name and specific relationship status, remain undisclosed. Maintaining a level of privacy allows him to focus on his career while keeping his personal life separate from public scrutiny.
Net Worth and Salary
As a managing director at Y Combinator and a successful entrepreneur, Michael Seibel's net worth is estimated to be in the range of $50 million as of 2025. His wealth is attributed to multiple successful ventures, investments, and a significant salary from his role at Y Combinator. Additionally, he has a stake in several startups that continue to grow, contributing to his overall financial status.
Career, Business and Investments
Michael Seibel's career has been marked by significant achievements within the tech industry. After co-founding Justin.tv and Twitch, which was acquired by Amazon for nearly $1 billion, he joined Y Combinator, where he has been instrumental in mentoring and funding numerous startups. His investment portfolio includes several successful tech companies, showcasing his keen eye for innovative ideas and business potential.
Michael Seibel (born October 7, 1982) is a partner at Y Combinator and co-founder of two startups – Justin.tv/Twitch and Socialcam. He first joined Y Combinator in 2013, advising hundreds of startups, and has been active in promoting diversity efforts among startup founders.
Social Network
Michael Seibel is known for his active presence on various social media platforms, including Twitter and LinkedIn. He uses these platforms to connect with entrepreneurs and share insights from his vast experience in the startup world. His online presence has also enabled him to influence a new generation of tech entrepreneurs looking to make their mark in the industry.
In 2013 he became a part-time partner at Y Combinator and joined Y Combinator as its first African-American partner in October 2014. He became CEO of the Y Combinator Startup Accelerator in 2016. On March 15, 2024, Seibel announced in a post on X that he was stepping down from his leadership role at Y Combinator after 8 years and returning to his original role of partner.
Education
Michael Seibel graduated with a degree in Symbolic Systems from the University of California, Berkeley. This interdisciplinary field combines aspects of computer science, cognitive science, and linguistics, equipping him with a unique perspective that has greatly contributed to his success in the tech startup ecosystem. Through his educational background, he has fostered a strong analytical mindset, which has benefited his entrepreneurial ventures.
