# Greg Isenberg

> Greg Isenberg is the CEO and co-founder of Late Checkout, an 8-figure bootstrapped holding company that builds community-first internet businesses. Known as 'The Community Guy' in startup circles, he has two startup exits under his belt (5by to StumbleUpon, Islands to WeWork), hosts The Startup Ideas Podcast (top 0.1% tech podcast), writes a Substack newsletter with 150K+ subscribers, and has built a 500K+ following on X by giving away startup ideas for free. His ACP Framework (Audience-Community-Product) has become a widely adopted playbook for modern founders.

- **Role:** CEO & Co-Founder at Late Checkout
- **Organizations:** Late Checkout, 5by (acquired), Islands (acquired), StumbleUpon (WeWork), Boring Marketing, Design Scientist, You Probably Need a Robot, Startup Empire
- **From:** Montreal, Canada
- **Nationality:** Canadian
- **Education:** B.Sc. Computer Science + B.A. International Development, McGill University
- **Known for:** Two startup exits: 5by (to StumbleUpon, 2013) and Islands (to WeWork, 2019), Built Late Checkout to 8-figure annual revenue with zero outside capital, Hosted 320+ episodes of The Startup Ideas Podcast - top 0.1% tech podcast globally

## Career timeline

- **2010** — CMO/Partner at StressLimitDesign - agency serving Microsoft, FedEx, WordPress, TechCrunch
- **2010-2012** — VP of Product at WallStreetSurvivor - built into the largest stock market simulation on the internet
- **2012** — Founded 5by - video curation mobile app in Montreal
- **2013** — 5by acquired by StumbleUpon (Garrett Camp's company) - 11 months after launch, first-ever StumbleUpon acquisition
- **2014** — Won People's Voice Award, Best Entertainment App for 5by
- **2015** — Left StumbleUpon, relocated from Montreal to San Francisco
- **2016** — Founded Islands - community/messaging platform backed by Greylock Partners
- **2019** — Islands acquired by WeWork; became Head of Product Strategy at WeWork
- **2019-2021** — Growth and product advisor to TikTok during its Western market expansion
- **2020** — Founded Late Checkout with co-founder Theo Tabah - bootstrapped holding company
- **2021** — Launched The Startup Ideas Podcast (formerly Where It Happens); became Reddit advisor
- **2023** — Late Checkout crossed 8-figure revenue; Greg married in a small private ceremony
- **2024-2025** — Leaned heavily into AI studio work; built 'You Probably Need a Robot' community and Vibe Marketer

## Achievements

- Two startup exits: 5by (to StumbleUpon, 2013) and Islands (to WeWork, 2019)
- Built Late Checkout to 8-figure annual revenue with zero outside capital
- Hosted 320+ episodes of The Startup Ideas Podcast - top 0.1% tech podcast globally
- Grew Substack newsletter to 150,000+ subscribers
- Built 500,000+ following on X (@gregisenberg)
- Shared 2,100+ free startup ideas since 2020
- C2 MTL Emerging Entrepreneur Award (2012)
- People's Voice Award, Best Entertainment App for 5by (2014)
- Featured in Vanity Fair, Forbes, and Fortune
- Advisor to TikTok and Reddit
- Popularized the ACP (Audience-Community-Product) framework
- Late Checkout's Boring Marketing manages $100M+ in client ad spend

## Latest updates

- **2025-04** — The Startup Ideas Podcast surpassed 320 episodes, publishing twice weekly
- **2025-03** — Vibe Marketer community launched - AI-powered marketing for modern builders
- **2025-01** — Publicly bullish on AI agents for traditional industries as path to $10M ARR
- **2024-12** — Net worth estimated at $12M-$28M with 38% YoY growth in 2024
- **2024-06** — Late Checkout reported as an 8-figure holding company built on zero outside capital
- **2023-12** — Married in a small private ceremony with immediate family only

## Links

- Website: https://www.gregisenberg.com
- LinkedIn: https://www.linkedin.com/in/gisenberg/
- Twitter/X: https://twitter.com/gregisenberg
- YouTube: https://www.youtube.com/@GregIsenberg
- Instagram: https://www.instagram.com/gregisenberg/

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Profile page: https://yespress.io/greg-isenberg
Published by YesPress — https://yespress.io
Last updated: 2026-04-28