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Michael Seibel
Managing Director at Y Combinator, noted as a great founder connection.
First Mentioned
10/3/2026, 7:12:19 AM
Last Updated
10/3/2026, 7:16:17 AM
Research Retrieved
10/3/2026, 7:16:17 AM
Summary
Michael Seibel, born October 7, 1982, is a prominent figure in Silicon Valley, known for his roles as a partner at Y Combinator and as the co-founder of Justin.tv/Twitch and Socialcam. He joined Y Combinator in 2013, where he has since advised numerous startups and actively championed diversity among founders. Seibel is recognized as one of the most influential Black investors and startup mentors, advocating for underrepresented founders and working to broaden access to the startup ecosystem. He has been cited as an inspiration by The Chainsmokers, who have shifted their investment focus to deep tech, cybersecurity, and artificial intelligence, inspired by founders like Brian Chesky of Airbnb, Drew Houston, and Michael Seibel.
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View on WikipediaMichael Seibel
Michael Seibel (born October 7, 1982) is a partner at Y Combinator and the 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. Seibel is widely recognized as one of the most influential Black investors and startup mentors in Silicon Valley, noted for his advocacy of underrepresented founders and leadership in expanding access to the startup ecosystem.
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- Michael Seibel - Wikipedia
Michael Seibel (born October 7, 1982) is a partner at Y Combinator "Y Combinator (company)") and the co-founder of two startups, Justin.tv/Twitch "Twitch (service)") and Socialcam. He first joined Y Combinator in 2013, advising hundreds of startups, and has been active in promoting diversity efforts among startup founders. Seibel is widely recognized as one of the most influential Black investors and startup mentors in Silicon Valley, noted for his advocacy of underrepresented founders and leadership in expanding access to the startup ecosystem. ## Education and startups [edit] [...] Seibel was born in Brooklyn and calls New York City his favorite city. He moved to East Brunswick, New Jersey as a pre-teen and graduated from East Brunswick High School in 2000. At Yale University, he majored in political science and became friends with Justin Kan. Seibel was active in Yale’s Black Student Alliance, and has spoken about being one of few Black students pursuing tech entrepreneurship at the university. After his graduation in 2005, he worked as the finance director for Kweisi Mfume's unsuccessful run for the U.S. Senate in 2006. He then moved to Silicon Valley to co-found Justin.tv, and became CEO at the company (from 2007 to 2011). He then became CEO of Socialcam, a social video-sharing app that launched in March 2011 and sold to Autodesk for $60 million in 2012 (after 18 [...] During his tenure, Seibel played a significant role in expanding Y Combinator's reach, launching global programs and online initiatives such as Startup School, which opened YC mentorship and resources to founders worldwide. He has been widely credited with increasing the number of Black and underrepresented founders in YC's accelerator, making diversity and access a central priority of the organization during his leadership. Some of Seibel's personal startup investments include Cruise, Brex, Figma, Rippling, Reddit, Clipboard Health"), and Promise. He is also a frequent speaker at major startup and technology conferences, including TechCrunch Disrupt, AfroTech"), and Startup Grind, where he advocates for diversity, access to capital, and mentorship in tech entrepreneurship.
- Michael Seibel
#### Michael Seibel is a retired startup founder and investor. Previously he worked at Y Combinator, a leader of the early stage accelerator from 2016 - 2024. Michael also serves on the board of three companies: Reddit, Dropbox, and Kalshi. He moved to the bay area in 2006, and was a co-founder and CEO of two Y Combinator startups Justin.tv/Twitch (2007 - 2011) and Socialcam (2011 - 2012). In 2012 Socialcam sold to Autodesk Inc. for $60m (link) and in 2014, under the leadership of Emmett Shear (CEO) and Kevin Lin (COO) Twitch sold to Amazon for $970m (link). Before getting into tech, Michael spent 2006 as the finance director for a US Senate campaign in Maryland. In 2005, he graduated from Yale University with a bachelor's degree in political science. Today he spends the large majority [...] JTV / Twitch Startup Investments Restaurant Investments Bio & Headshots + Home + JTV / Twitch + Podcasts + Essays + Books + Startup Investments + Restaurant Investments + Bio & Headshots + Contact Home JTV / Twitch Podcasts Essays Books Startup Investments Restaurant Investments Bio & Headshots Contact … + Home + JTV / Twitch + Podcasts + Essays + Books + Startup Investments + Restaurant Investments + Bio & Headshots + Contact # Michael Seibel Hello, my name is Michael Seibel. I am 43 years old and have lived and worked in the Bay Area since 2006. I retired from Y Combinator in 2026, previously I led the startup accelerator at YC from 2016 - 2024. I also serve on the board of three companies: Reddit, Dropbox, and Kalshi. [...] Before working at Y Combinator I was co-founder and CEO of two YC startups Justin.tv/Twitch (2007 - 2011) and Socialcam (2011 - 2012). In 2012 Socialcam sold to Autodesk Inc. for $60m (link) and in 2014, under the leadership of Emmett Shear (CEO) and Kevin Lin (COO) Twitch sold to Amazon for $970m (link). Before getting into tech, I spent 2006 as the finance director for a US Senate campaign in Maryland. In 2005, I graduated from Yale University with a bachelor's degree in political science. Today I spend the large majority of my free time cooking, reading, traveling, and going for long drives. I live in San Francisco, CA with my amazing wife Sarah, our son Jonathan, and our daughter Jessica.
- Michael Seibel Biography | Booking Info for Speaking ...
Michael Seibel is a seasoned entrepreneur, investor, and startup advisor, renowned for co-founding the live-streaming platform Justin.tv (which evolved into
- See Michael Seibel (Y Combinator; Twitch) at Startup Grind Silicon Valley, San Francisco Bay Area
Michael Seibel is a full-time partner at Y Combinator. Previously, he was a co-founder and CEO of Justin.tv and of Socialcam. During 2012, Socialcam participated in Y Combinator, raised angel financing from a group of amazing investors, and sold to Autodesk Inc. for $60m. In 2014 Justin.tv became Twitch Interactive and under the leadership of Emmett Shear and Kevin Lin sold to Amazon for $970m. In-person event # About this event Michael is currently a full-time partner at Y Combinator. [...] Michael is currently a full-time partner at Y Combinator. Previously, he was a co-founder and CEO of Justin.tv from 2007 - 2011 and the co-founder and CEO ofSocialcam in 2012. During 2012, Socialcam participated in Y Combinator, raised angel financing from a group of amazing investors, and sold to Autodesk Inc. for $60m (link). Needless to say - it was a busy year. In 2014 Justin.tv became Twitch Interactive and under the leadership of Emmett Shear and Kevin Lin sold to Amazon for $970m. [...] Startup Grind logo Log in Join + Investors + Experts + Startups + Sponsors + Directors Events + SG Conference + Chapter Events + Become a Speaker Content + Newsletter + Blog + YouTube + Divot Podcast Startup Perks About Log in # Michael Seibel (Y Combinator; Twitch) Jun 26, 2015, 1:00 – 4:00 AM (UTC) Silicon Valley, San Francisco Bay Area Pivotal Labs Palo Alto, 3495 Deer Creek Rd, Palo Alto, 94304
- Michael Seibel
#### Cart Close No items found. Product is not available in this quantity. Get In Touch Get In Touch Mwanzo Evolve Labs About BBVA Blog TechTribe ContactMore Templates More Templates Black Leaders Michael Seibel Share InstagramLINKEDIN Michael Seibel is the co-founder and former CEO of the social video platform, Twitch. He is also a partner at the startup accelerator, Y Combinator, where he is the Managing Director of YC’s early stage. In 2020 he was named to the Dropbox board of directors and a Reddit board member. Prior to moving to the San Francisco bay area, Michael spent a year as finance director for a US Senate campaign in Maryland. He lives in downtown San Francisco with his wife, Sarah, son Jonathan and daughter Jessica. ## Early Life [...] Michael has been recognized with several awards for his work in the technology industry. In 2020, Michael Seibel, CEO, and partner at Y Combinator accepted the TiE Global best incubator/accelerator award. In his acceptance, he said, “one of our core tenants is that we want to make silicon valley open and accessible to founders from anywhere in the world. And in my last five years working here, that’s been one of my core goals.” > “A lot of the talk about the disadvantages of being an underrepresented minority in the startup world is counterproductive. What I don’t see it doing is inspiring people to achieve more….What I see it doing is scaring people into not trying. So, I think the intention is correct, right? But the outcome is not great.” [...] Michael Seibel is no stranger to success. And with that success, black founder Michael Seibel is giving back to the community with his initiatives to celebrate and support black-owned businesses in the tech industry. > “Do I think things have changed a lot since I started in this world in 2006? No. But this world in 2006 gave someone who looks like me a chance, and I think it can give everyone [sic] a chance, too, if you actually demand it.” By celebrating and supporting black-owned businesses, this inspiring entrepreneur is helping to create opportunities for more people of color in an industry that has long been underrepresented. Michael Seibel is part of our Black Founders50 Series. Download the complete 2023 BBVA Founders50 list here. # Related Profiles Etosha Cave
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Date Of Birth
10/7/1982Place Of Birth
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Location Data
Michael Heisel, 4, Gebrüder-Seibel-Straße, Hauenstein, Südwestpfalz, Rheinland-Pfalz, 76846, Deutschland
Coordinates: 49.2001819, 7.8318840
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