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    3. Garry Tan

    Garry Tan

    To help as many startups as possible really take off by providing seed funding, mentorship, and a vast network of alumni and resources.

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    At a Glance

    2Tools Listed
    4Products
    126Tool Views
    5Capabilities
    Discussions
    San Francisco, CAHeadquarters
    2005Est.
    85Employees
    $10.25MRaised
    Focus Areas
    Agent Memory
    Knowledge Management
    MCP Servers
    Agent Harness
    Connect
    Latest News
    Garry Tan assumes role as President and CEO of Y CombinatorJan 1, 2023
    Y Combinator shuts down its Continuity fund and lays off staffMar 1, 2023
    Markets
    • Technology Startups
    • AI Startups
    • Non-profits (selectively)
    • Early-stage Founders

    AI Tools by Garry Tan

    (2)
    View GBrain
    GBrain tool icon

    GBrain

    Agent Knowledge Base Engine

    Agent MemoryKnowledge MgmtMCP Servers
    View gstack
    gstack tool icon

    gstack

    Claude Code Workflow Skills

    Prompt EngineeringAgent HarnessCode Review

    Discussions

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    Latest News

    01/01/2023

    Garry Tan assumes role as President and CEO of Y Combinator

    YC Blog
    03/01/2023

    Y Combinator shuts down its Continuity fund and lays off staff

    TechCrunch
    01/01/2024

    YC moves headquarters from Mountain View to San Francisco

    SF Chronicle
    03/01/2024

    Michael Seibel steps down as Managing Director, succeeded by Jared Friedman

    YC Blog

    Products & Services

    4
    YC Accelerator Program
    2005

    A 3-month intensive program for early-stage startups ending in Demo Day.

    Startup School
    2017

    A free, online program for anyone considering starting a company.

    AI Startup School
    2025

    A specialized program focused on AI-native startups with high-profile industry speakers.

    Work at a Startup

    A platform to help YC portfolio companies find early employees.

    Market Position

    The world's most prestigious and successful startup accelerator with a network effect from over 10,000 founders.

    Leadership

    Founders

    PG

    Paul Graham

    Co-founder of Viaweb (sold to Yahoo), author of 'Hackers & Painters', PhD in Computer Science from Harvard.

    JL

    Jessica Livingston

    Former VP of marketing at Adams Harkness, author of 'Founders at Work'.

    RM

    Robert Morris

    MIT Professor, co-founder of Viaweb, PhD in Computer Science from Harvard.

    TB

    Trevor Blackwell

    Roboticist, co-founder of Viaweb, PhD in Computer Science from Harvard.

    Executive Team

    GT

    Garry Tan

    President & CEO

    Co-founder of Initialized Capital and Posterous (YC S08). Early designer and engineering manager at Palantir. Stanford CS graduate.

    JF

    Jared Friedman

    Managing Partner

    Co-founder of Scribd (YC S06). Succeeded Michael Seibel as Managing Director in 2024.

    Board of Directors

    PG
    Paul Graham
    Co-founder & Advisor
    JL
    Jessica Livingston
    Co-founder & Advisor

    Founding Story

    Y Combinator was started in 2005 to test a new model of seed funding: investing small amounts of money in a large number of startups at once, rather than investing large amounts in a few. The first batch, the 'Summer Founders Program', took place in Cambridge, MA.

    Business Model

    Revenue
    Portfolio combined valuation over $1 Trillion (as of 2026).

    Revenue Model

    Venture Capital model based on equity stakes and carried interest from portfolio company exits (IPOs and acquisitions).

    Pricing Tiers

    Standard Deal - Part 1
    $125,000

    Fixed 7% equity via post-money SAFE.

    Standard Deal - Part 2
    $375,000

    Uncapped SAFE with a Most Favored Nation (MFN) provision.

    Private

    Target Markets

    Industries & Segments
    • Technology Startups
    • AI Startups
    • Non-profits (selectively)
    • Early-stage Founders
    Use Cases
    • Early-stage startups seeking seed funding
    • Founders looking for product-market fit guidance
    • Startups needing network access for hiring and growth
    • Post-launch companies preparing for Series A
    Notable Customers
    • Stripe
    • Airbnb
    • Coinbase
    • DoorDash

    Quick Facts

    Headquarters
    San Francisco, CA, USA
    Founded
    2005
    Entity Type
    LLC
    Employees
    85
    Total Funding
    $10.25M+ (external funding for the firm itself, primarily from Sequoia)
    Investors
    Sequoia Capital, Yuri Milner
    Office Locations
    San Francisco

    Funding History

    Series A$2,000,000
    2009
    Sequoia Capital
    Series B$8,250,000
    2010
    Sequoia Capital
    Convertible Note$150,000 per company
    2011
    Yuri Milner
    SV Angel

    History & Milestones

    2025

    Held the first AI Startup School in San Francisco.

    2024

    Headquarters moved from Mountain View to San Francisco.

    2023

    Garry Tan became President and CEO; YC Continuity fund was discontinued.

    2022

    Introduced a new standard deal of $500,000 per company.

    2014

    Sam Altman appointed President; YC expanded with the Continuity and Research funds.

    Key Capabilities

    5
    Bookface (Internal social network for founders)
    YC Startup Directory
    Demo Day platform
    Standardized SAFE (Simple Agreement for Future Equity)
    Library of founder resources

    Integrations & Partnerships

    Platform Integrations

    • Bookface integrates founder Q&A and networking
    • Demo Day website for investor tracking

    Key Partnerships

    Cloud provider credits (AWS, Google Cloud, Azure)
    SaaS discounts (Stripe, Segment, Brex)

    Connect

    Website
    ycombinator.com/people/garry-tan
    GitHub
    garrytan
    X / Twitter
    garrytan
    LinkedIn
    garrytan
    Instagram
    garrytan
    Threads
    garrytan

    AI Topics

    6

    Garry Tan focuses on these topics:

    Agent Memory(1)
    Knowledge Management(1)
    MCP Servers(1)
    Agent Harness(1)
    Prompt Engineering(1)
    Code Review(1)
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