Y Combinator
Showing 646–660 of 824 transcripts.
- 53 min
Researching Psilocybin's Effects on Depression - Dr. Rosalind Watts
Dr. Rosalind Watts, Craig Cannon
Led by Professors Robin Carhart-Harris and David Nutt, a pioneering research initiative successfully demonstrated that high-dose psilocybin can deactivate brain regions linked to negative rumination and offer a "reset" for patients with severe, treatment-resistant depression. Although the study achieved a 100% preference rate for psilocybin over prior treatments among its 20 participants, long-term efficacy remains limited by the absence of formal integration therapy, prompting calls for structured follow-up sessions to sustain behavioral changes. Currently constrained by reliance on single-source funding, the researchers are prioritizing comparative trials against antidepressants while advocating for a holistic therapeutic model that combines preparation, ego-dissolving experiences, and sustained support to address the growing crisis of ineffective psychiatric medication.
- 31 min
Ron Conway - Startup Investor School Day 4
SV Angel co-founder Ron Conway outlines a robust angel investing framework that prioritizes founder character over ideas and mandates diversifying capital across five to ten startups to mitigate a 40% to 60% industry failure rate. He emphasizes post-investment value through active team building, enforcing rapid execution to combat founder procrastination, and utilizing rigorous screening to avoid co-founder friction, while also highlighting the transformative potential of Web 3.0 and the critical need for ecosystem transparency. The session concludes by connecting investor integrity to civic engagement and detailing Y Combinator's efforts to refine financial instruments like SAFEs to prevent unintended consequences in startup financing.
- 59 min
Andy Bromberg - Startup Investor School Day 4
Startup Investor School and Andy Bromberg's presentation analyze the evolution of venture capital from the 1940s to the modern "everyone is an angel" era, highlighting how decreasing entry costs and regulatory shifts like the 2012 JOBS Act reshaped early-stage funding. The discussion specifically contrasts traditional equity models with Initial Coin Offerings, detailing ICO mechanics such as token staking, network node ownership, and the unique liquidity risks that differ from historical venture bottlenecks. Furthermore, the session addresses current industry uncertainties, including the ambiguous legal interaction between SAFEs and tokens, the global nature of crypto capital flows, and Bromberg's caution regarding irrational pricing and untested norms in the decentralized fundraising landscape.
- 3h 42m
Startup Investor School Day 4 Live Stream
Andy Bromberg, Aaron Harris, Ron Conway, Jeff
The final day of Startup Investor School featured a comprehensive analysis of early-stage investment history by Andy Bromberg, behavioral standards for angel investors presented by Aaron Harris, and a founder-centric investment philosophy from Ron Conway. The session detailed the evolution from traditional venture capital to modern token offerings like ICOs while establishing a strict code of conduct emphasizing reputation, speed, and integrity in deal-making. Ultimately, the event equipped attendees with tools to model SAFE conversions and fostered a network committed to maintaining ecosystem transparency and supporting high-potential founders.
- 1h 5m
Jeff Clavier and Andrea Zurek - Startup Investor School Day 3
Jeff Clavier, Andrea Zurek, Ali Partovi
Venture capitalist Jeff Clavier and XG Ventures founder Andrea Sterbentz outline a rigorous framework for angel investing that emphasizes an 8–10 year timeline, 10% portfolio allocation of net worth, and strict separation of investment capital from personal liquidity. They advocate for a "super angel" approach featuring time-based diversification, sector specialization, and a 10% ownership target per deal, while simultaneously defining personal branding through consistent thought leadership and operational value beyond mere capital. Both experts stress that successful portfolio construction requires passing on deals lacking total conviction, avoiding direct competition within a portfolio, and maintaining the integrity necessary to build a lasting reputation in the ecosystem.
- 4h 16m
Startup Investor School Day 3 Live Stream
Elad Gil, Pejman, Jeff Clavier, Andrea, Ali Partovi
Day 3 of the Startup Investor School convened five prominent investors, including Elad Gil, Pejman Nozad, Jeff Clavier, Andrea Zurlo, and Ali Partovi, to dissect critical strategies for market selection, team evaluation, and portfolio construction. The speakers emphasized that successful angel investing requires a 10-year horizon, strict risk discipline regarding net worth allocation, and a service-oriented mindset that prioritizes founder support over immediate financial gains. Key consensus points highlighted the necessity of investing in brilliant founders with big ideas regardless of initial market perceptions, maintaining long-term patience through early-stage losses, and building a personal brand rooted in integrity and operational availability.
- 58 min
Paul Buchheit - Startup Investor School Day 2
Startup investor Paul Buchheit outlines a strategy prioritizing founders with impossibly ambitious visions and demonstrated resilience over those with polished metrics or low valuations. His approach is validated by massive returns from diverse ventures like Meraki, Twitch, and Cruise, which emerged from ideas that initially appeared flawed or "stupid" to outsiders. Conversely, Buchheit warns that "value investing," pity funding, and slow decision-making consistently lead to losses by missing top-tier opportunities like Airbnb or falling for over-funded failures like Juicero.
- 59 min
Dalton Caldwell - Startup Investor School Day 2
The Startup Investor School Day 2 addressed operational feedback from the previous day while delivering a comprehensive framework for investment philosophy, strategy, and process discipline. Expert speakers emphasized prioritizing conviction over consensus, establishing clear decision funnels, and mastering founder meeting best practices through direct communication and rigorous case studies like Nekton. The event concluded with a Q&A session that clarified complex challenges regarding commitment, negative feedback delivery, and milestone-based financing structures.
- 28 min
Michael Seibel - Startup Investor School Day 2
Outgoing Y Combinator CEO Michael Seibel shares investment lessons from his 4.5-year angel career, highlighting that 50 checks resulted in 12 post-Series A companies and a billion-dollar exit despite his dual role as a YC partner. He advises investors to write larger checks with speed and minimal friction while avoiding the hype trap of Demo Day in favor of evaluating cap tables and founder potential. The session concludes by defining top-tier investors by their willingness to act quickly and noting that luck plays a significant role in success.
- 2h 41m
Startup Investor School Day 2 Live Stream
Jeff, Dalton Caldwell, Ben, Matt, Paul Buchheit, Michael Seibel
The Startup Investor School brings together prominent figures like Jeff, Dalton Caldwell, and Paul Buchheit to distill a contrarian investment philosophy that prioritizes conviction, speed, and founder quality over market size or consensus. Through case studies of exits ranging from Airbnb to Meraki, the event establishes rigorous frameworks for avoiding herd mentality and executing decisive capital allocation with meaningful check sizes. Attendees receive actionable guidance on navigating modern challenges like ICOs while building long-term networks to support high-growth, deep-tech ventures over a ten-year horizon.
- 59 min
Carolynn Levy and Kirsty Nathoo - Startup Investor School Day 1
Carolynn Levy, Kirsty Nathoo, Jeff, Sam
The Simple Agreement for Future Equity (SAFE) is a non-debt convertible security designed for early-stage startups to facilitate rapid fundraising through a streamlined five-page document governed by valuation caps or discount rates. While lacking traditional creditor rights like interest or repayment, the instrument converts into preferred stock during priced rounds or liquidity events, with investor returns determined by complex pre-money conversion mechanics and pro rata participation rights. Best practices for execution involve rapid e-signature processing via platforms like Clerky and strict adherence to Y Combinator's handshake protocols to secure high upside potential while avoiding unnecessary legal complexity.
- 47 min
Sam Altman - Startup Investor School Day 1
Discussions among top angel investors emphasize a power law strategy that targets 100x–1000x returns through "generation-defining" companies, requiring founders to demonstrate obsession, rapid learning, and high integrity over conventional valuation metrics. The event highlights that successful sourcing relies on founder networks and cold outreach rather than herd behavior, while investors must maintain pro-rata rights to avoid dilution in top-quartile follow-on rounds. Ultimately, long-term success depends on prioritizing founders with massive potential over existing market categories, providing deep support during crises to foster the rapid iteration necessary for billion-dollar exits.
- 10 min
Geoff Ralston's Intro - Startup Investor School Day 1
Y Combinator launched its inaugural hybrid Startup Investor School, a four-day program in Mountain View and online that educates accredited and non-accredited investors on startup selection and deal mechanics. The curriculum, delivered by volunteer instructors from the startup ecosystem, concludes with virtual and in-person invitations to Winter 2018 Demo Days for select participants. Additionally, the initiative establishes a crowd-sourced knowledge repository and leverages historical case studies to refine investor decision-making capabilities.
- 2h 8m
Startup Investor School Day 1 Live Stream
Jeff, Sam Altman, Carolyn Levy, Kirstie
Y Combinator hosted a four-day course for accredited and non-accredited investors, featuring Sam Altman's analysis of the power law and founder evaluation alongside Carolyn Levy and Kirstie Nathoo's technical breakdown of the SAFE instrument. The curriculum emphasized that successful angel investing requires prioritizing massive upside potential over failure rates while navigating conversion mechanics, valuation caps, and pro-rata rights through tools like AngelCalc. Outcomes include a permanent open-source knowledge repository and a cohort of investors equipped to make independent, high-impact decisions on Y Combinator's Winter 2018 startups.
- 48 min
The Number One Goal is Getting Started - Avni Patel Thompson of Poppy
Avni Patel Thompson, Craig Cannon
Harvard MBA Avni leveraged her background in pharmaceuticals and international strategy to validate and launch Poppy, a child-care platform, by conducting a four-week manual trial that secured paying users before seeking capital. After three rejections from Y Combinator, she secured funding by demonstrating rapid growth and a scalable vision for global infrastructure, emphasizing that collecting revenue from strangers is essential for true product-market fit. Her journey illustrates a methodology where diverse life experiences, including a failed startup and expatriate living, serve as a "mosaic" of skills to de-risk entrepreneurship and address critical market gaps in modern family support systems.