Justin Waldron
FounderCo-founder at Playco enterprise-saas
San Francisco Bay Area
Writes $500K – $5M checks · typically $2.8M
FoundedPlayco enterprise-saas
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
Co-founders at Playco enterprise-saas
MC
Michael CarterCo-founder
TO
Takeshi OtsukaCo-founder
C
CrossCo-founder
Experience
- Playable Intelligencefounder, ceocurrent2026 — present
- play.funfounder, ceocurrent2026 — present
- Zyngafounder, productcurrent2007 — presentsan francisco, ca
- Playcofounder, presidentcurrent2020 — presentTokyo, Japan
- X&Partnercurrent2024 — presentTokyo, Japan
- Colossal BiosciencesInvestorcurrent2021 — present
- Substackseed investorcurrent2017 — present
- The Thiel Foundationmentorcurrent2011 — present
- Shibuya Startup SupportAdvisorcurrent2020 — presentTokyo, Japan
- Zynga.orgfoundercurrent2007 — present
- startupsangel investorcurrent2010 — present
- Opus Game Labsfounder, ceo2022 — 2026
Skills & more
Product Management31Start-ups32Entrepreneurship24Viral Marketing9Monetization13User Interface6Game Design22User Experience17Social Games22Game Development16PHP10Video Games13
+4 more
Mobile ApplicationsMobile GamesOnline GamingCasual GamesLanguages 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
Zynga mafia37
Also came through, then founded or led a company.
Reid HoffmanBoard MemberFounded LinkedIn +2Robin ChanGeneral Manager, Asia Business OperationsFounded Operator +2Iansuperlabs (acquired) - Founder, Director of ProductFounded Apex Technology +2Amitt MahajanCo-Creator & Lead Developer - FarmVilleFounded Rare Bits +1Mohan ReddyCTO/Technology LeaderFounded SkyHive +1Sohail PrasadProduct Manager, MobileFounded D/XYZ +1
+ 30 more
Colossal Biosciences mafia4
Also came through, then founded or led a company.
Shared employers
Also worked at Zynga78
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMasoud AdinaHead of Compliance at GreycroftVlad LoktevInvestor at Index VenturesEmily MoskowitzEntrepreneur in Residence at Storm VenturesLinus LiangFounder and Managing Partner at Kyber Knight CapitalNiha GottiparthyInvestor at EMERGENT VENTURES
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+ 72 more
Also worked at Substack13
Sriram KrishnanStartup builder and investorMichael FertikManaging Partner and Founder at Heroic VenturesKate DelhagenFounder, Oregon Sports Angels at The 98Ashwini NagappanResearch at Rock HealthKeriana KingHead of Ecosystem, Scalare Partners at Australian Technologies CompetitionLulu Cheng MeserveyInvestor at Lulu Cheng Meservey
+ 7 more
Also worked at The Thiel Foundation46
Ritesh AgarwalFounder & CEO of OYOSebastian CaliriInvestment Team at 8VCKevin WangCEO, FOSSA Inc. at OSS CapitalAndrew BrackinPartner at Gradient investing across vertical AI, healthcare, and the application layerIan LeePrincipal at Signum CapitalDanielle StrachmanInvestor at NZVC
+ 40 more