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    Pitch & Process
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    Demo Day

    Also called: Accelerator Demo Day

    TL;DR

    An accelerator's culminating event where startups pitch to investors, typically a few minutes per company in front of a curated audience.

    Demo Day is the public reveal of an accelerator cohort. Each company gets a short pitch slot, typically 2 to 4 minutes, in front of an audience of investors, press, and other founders. The event is both a fundraising sprint and a credentialing moment.

    The Y Combinator Demo Day model has been copied by hundreds of accelerators. Top YC companies often complete their post-Demo-Day round within days; for many cohorts, the round is largely set in the days immediately after Demo Day.

    Worked example

    Y Combinator's Summer 2024 Demo Day: ~250 startups, 2 minutes each, presented over 2 days to ~3,000 investors. Top-decile companies typically receive 30+ inbound investor meetings within 72 hours; bottom-decile ~3.

    Common pitfalls

    • Treating Demo Day as the start of fundraising instead of the climax.
    • Optimizing the pitch for an audience instead of for follow-up meetings.
    • Failing to prepare the data room and references in advance.

    When this shows up in a pitch deck

    Demo Day pitches are a special-case deck format, visual, narrative-driven, designed to drive curiosity, not to answer every question.

    See Demo Day in context

    Demo Day shows up most often in these scoring rubrics and investor profiles, jump straight to who cares about it and how to pitch them.

    Related terms

    Pitch deck pillar pages

    Long-form deep dives on the slides Demo Day most often shows up on.

    Use Demo Day in your next pitch deck

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