About
Josiah Tsui is cofounder of Finley. He previously worked at Ironclad and Palantir.
Likely emails· guessed from name + firm domain, not firm-published
- j•••@finleycms.comreveal80% confident
- j•••@finleycms.comreveal75% confident
- j•••@finleycms.comreveal65% confident
Founder at FinleyYC W21
Intro paths
YC
Josiah went through Y Combinator (Winter 2021) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Harj Taggar, General Partner at Y Combinator — the partner who ran Finley's batch and knows the company first-hand. YC profile ↗
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In turn, Josiah can intro founders to Finley's investors below.
Finley's investors · 6
Bain Capital VenturesBoston · $1M – $100M checks · since 2022CRV (Charles River Ventures)Bay Area · $250K – $5M checks · since 2022HaystackSan Francisco · $1M – $3M checks · since 2022Twenty Two VenturesPalo Alto · $50K – $250K checks · since 2022Upper90Providence · $5M – $25M checks · since 2022Y CombinatorSan Francisco · $500K checks · since 2021
Co-founders at Finley
JT
Jeremy TsuiFounder
KS
Kevin SuhFounder
Experience
- LDGR SystemsCo-Founder & CEOcurrent2026 — presentSan Francisco, California, United States
- FinleyCo-Founder & COO2021 — 2025
- Ironclad, Inc.Product Marketing Manager2019 — 2020San Francisco, California, United States
- Palantir TechnologiesBusiness Development2015 — 2017New York, New York, United States
- Harvard Kennedy School's Belfer Center for Science and International AffairsResearch Fellow2014 — 2015Greater Boston
Skills & more
Languages Chinese (Cantonese) · Chinese (Mandarin) · English · Italian · Spanish
From Josiah's professional profile.
Frequently asked questions
- Who is Josiah Tsui?
- Josiah Tsui is cofounder of Finley. He previously worked at Ironclad and Palantir.
- Where does Josiah Tsui work?
- Josiah Tsui is Founder of Finley.
- What companies did Josiah Tsui found?
- Josiah Tsui founded Finley.
- Where did Josiah Tsui go to school?
- Josiah Tsui studied at Johns Hopkins School of Advanced International Studies (SAIS) (Master of Arts, International Economics and International Relations); The Johns Hopkins University (Bachelor of Arts, International Studies); Phillips Exeter Academy.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
The Johns Hopkins University mafia58
Also came through, then founded or led a company.
Christoph LengauerPostdocFounded Celsius Therapeutics +2Anne OsdoitMaster of Science (MS)Founded Moon Surgical +2Andrew LevyBachelor of Science (B.S.)Founded Apteligent +2Matt MichelsonB.S.Founded Evid Science +1Merrill AnovickB.A. with HonorsFounded Lynd Clinical +1Kanishk ParasharBSFounded Powder +1
+ 51 more
Phillips Exeter Academy mafia28
Also came through, then founded or led a company.
James CurrierHigh School DiplomaFounded Wonderhill +1Hanson S. Gifford, IIIFounded Miramar Labs +1Benjamin ShawFounded Vets First Choice +1Aaron WhiteHigh SchoolFounded Blissfully +1Matt TranHigh School DiplomaFounded Skip +1Chris SaxmanHigh School DiplomaFounded Sidebycare
+ 21 more
Ironclad mafia8
Also came through, then founded or led a company.
Jess LeeDirectorFounded PolyvorePayam ZamaniInvestorFounded Buyerlink +1Steve LoughlinDirectorFounded RelateIQ +1Brian PowersClickwrapsFounded PowderkegKat OrekhovaHead of ProductFounded VaretoKeenan VenutiSenior Software Engineer - AIFounded Vector Legal
+ 1 more
Johns Hopkins School of Advanced International Studies (SAIS) mafia5
Also came through, then founded or led a company.
Same school
Also attended Johns Hopkins School of Advanced International Studies (SAIS)40
Jessica (Bartos) ThomasPartner at Notion CapitalKayla RenzChief of Staff at First Row PartnersJanna AyoubChief of Staff at C5 CapitalChristian SiegeleManaging Partner at CapnamicLou ForsterGeneral Partner at Green Visor CapitalSarah MorgensternInvestment Partner at Flourish Ventures
+ 34 more
Also attended The Johns Hopkins University261
Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla VenturesElena VibochManaging Director at General CatalystScott RubinVenture Partner at Lux Capital
+ 255 more
Also attended Phillips Exeter Academy105
Nathaniel HardingManaging Partner at Cortado VenturesMichael GreeleyCo-Founder and General Partner at Flare Capital PartnersChris SaxmanDigital health entrepreneur, startup mentor, skier, fly fisherman, Steelers fanatic, Co-head of Health 2.0 Denver/Boulder ChapterMax Von PoelnitzPartner at Foothill VenturesJohn H. N. FisherFounder and Managing Partner at DFJPhilip KalikmanAssistant Professor of Real Estate, Finance, & Economics at Joyance Partners
+ 99 more
Shared employers
Also worked at Finley3
Also worked at Ironclad, Inc.16
Meghan ChristensonVP, Operations at Village GlobalPayam ZamaniFounder at One Planet GroupJake SaperGeneral Partner at Emergence Capital PartnersKiran YemulFellow, Healthcare & Life Sciences at BravenField PickeringManaging Partner, Conduit Private Markets at Conduit Asset ManagementChris HuxholdCFO at Elevate Ventures
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+ 10 more
Also worked at Palantir Technologies220
Garry TanPresident & CEO of Y CombinatorJoe LonsdaleFounder & Managing Partner of 8VC; co-founder of Palantir and AddeparTrae StephensPartner at Founders Fund and co-founder of AndurilTarek MansourCo-founder & CEO of KalshiViviana FagaGeneral Partner at Felicis VenturesBryan OffuttInvestor at Index Ventures
+ 214 more
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