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Michael 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 investorsMarch 15, 2023
At 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.November 06, 2025
In 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.August 15, 2024
Y Combinator CEO and Partner Michael Seibel on the biggest mistakes first-time founders make.August 16, 2019
