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Justin Waldron

Founder

Co-founder at Playco enterprise-saas

San Francisco Bay Area

Writes $500K – $5M checks · typically $2.8M

FoundedPlayco enterprise-saas

Find your path to Justin

453 people in our graph share verified history with Justin — schools, employers, funds. One of them is your warm intro.

Takeshi NakanishiunlockedJustin: together at X& (2024–2026)
Justin: together at X&
×5Justin: together at Playco
×3Justin: together at Colossal Biosciences

About

Justin Waldron is the founder and CEO of Playable Intelligence and previously co-founded Playco and Zynga. He is a partner at X&KSK, a Japan-focused venture capital fund, and has invested as an angel in more than 200 startups worldwide.

Co-founder at Playco enterprise-saas

Intro paths

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In turn, Justin can intro founders to Playco enterprise-saas's investors below.

Playco enterprise-saas's investors · 11

Dreamers VCEl Segundo · $500K – $5M checksFirestreak VenturesGood AI CapitalMenlo ParkMaven VenturesPalo Alto · $1M checksRoosh VenturesKievSGH CapitalParisSisu Game VenturesOsloSLVCSozo VenturesRedwood CitySummit Peak VenturesFort WorthZ Venture CapitalTokyo · $150K – $101M checks

Co-founders at Playco enterprise-saas

MC
Michael CarterCo-founder
TO
Takeshi OtsukaCo-founder
C
CrossCo-founder

Experience

  1. Playable Intelligencefounder, ceocurrent2026 — present
  2. play.funfounder, ceocurrent2026 — present
  3. Zyngafounder, productcurrent2007 — presentsan francisco, ca
  4. Playcofounder, presidentcurrent2020 — presentTokyo, Japan
  5. X&Partnercurrent2024 — presentTokyo, Japan
  6. Colossal BiosciencesInvestorcurrent2021 — present
  7. Substackseed investorcurrent2017 — present
  8. The Thiel Foundationmentorcurrent2011 — present
  9. Shibuya Startup SupportAdvisorcurrent2020 — presentTokyo, Japan
  10. Zynga.orgfoundercurrent2007 — present
  11. startupsangel investorcurrent2010 — present
  12. Opus Game Labsfounder, ceo2022 — 2026

Skills & more

Product Management31Start-ups32Entrepreneurship24Viral Marketing9Monetization13User Interface6Game Design22User Experience17Social Games22Game Development16PHP10Video Games13
+4 moreMobile ApplicationsMobile GamesOnline GamingCasual Games

Languages Chinese · English · Japanese

From Justin's professional profile.

Frequently asked questions

Who is Justin Waldron?
Justin Waldron is the founder and CEO of Playable Intelligence and previously co-founded Playco and Zynga. He is a partner at X&KSK, a Japan-focused venture capital fund, and has invested as an angel in more than 200 startups worldwide.
Where does Justin Waldron work?
Justin Waldron is Co-founder of Playco enterprise-saas.
What check size does Justin Waldron write?
Justin Waldron typically writes checks of $500K – $5M.
What companies did Justin Waldron found?
Justin Waldron founded Playco enterprise-saas.

Founder mafias

Shared employers