NameMichael Seibel
Date of birthOctober 07, 1982
OccupationEntrepreneur
AboutCo-founder of Justin.tv/Twitch and Socialcam. Partner Emeritus at Y Combinator
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How to build an MVPMichael Seibel explains how to build a minimum viable product (MVP) for your startup idea. Using examples from real YC companies, Michael walks through how to determine your MVP feature set, build prototypes and demos for user testing, and present your MVP to early customers or investors
Fireside Chat with Michael Seibel, Partner Emeritus, Y CombinatorAt VapiCon 2025, Jordan Dearsley sits down with Michael Seibel, Partner Emeritus at Y Combinator and Vapi's original group partner, for a fireside chat about the voice AI revolution. Seibel shares why voice represents the next major platform shift, predicts specialized agents will win over one super agent, and explains how luxury concierge experiences will become democratized. He envisions a multimodal future where everyone has AI agents in their contact lists, transforming how we interact with products and services.
Co-Founder Equity Mistakes to AvoidIn order to get your startup off the ground it's critical to keep your co-founders motivated. One of the best ways to do that is to figure out a fair co-founder equity split. Michael Seibel explains the ins and outs of co-founder equity, why it's important to be generous with that equity, and how to avoid bad advice that can lead to co-founder breakups.