Find your path to Josiah
258 people in our graph share verified history with Josiah — schools, employers, funds. One of them is your warm intro.
Jessica (Bartos) ThomasunlockedJosiah: together at Johns Hopkins School of Advanced International Studies (SAIS)
Josiah: together at Finley
Josiah: together at Ironclad
×6Josiah: together at Phillips Exeter Academy
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
Co-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 TsuiCo-founder & CEO
KS
Kevin SuhCo-founder
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 Co-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 mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
The Johns Hopkins University mafia171
Also came through, then founded or led a company.
Dave JohnsonMaster's degreeFounded Dash BioC. Giovanni TraversoPhDFounded Teal Bio +4Paul GrossingerBachelor of ArtsFounded Gaingels +3Christoph LengauerPostdocFounded Celsius Therapeutics +3Anne OsdoitMaster of Science (MS)Founded Moon Surgical +2Andrew LevyBachelor of Science (B.S.)Founded Apteligent +2
+ 164 more
Phillips Exeter Academy mafia53
Also came through, then founded or led a company.
Hanson S. Gifford, IIIFounded Miramar Labs +3James CurrierHigh School DiplomaFounded Wonderhill +1Benjamin ShawFounded Vets First Choice +1Aaron WhiteHigh SchoolFounded Blissfully +1Ajay MehtaFounded Tolan AI companion +1Matt TranHigh School DiplomaFounded Skip +1
+ 46 more
Johns Hopkins School of Advanced International Studies (SAIS) mafia12
Also came through, then founded or led a company.
Elias StahlMaster of Arts (M.A.) with HonorsFounded Hilos +1Anna RaptisMAFounded Amplifica CapitalBharat VasanStarted MA program (transferred to Columbia)Founded IntangibleSusli LieMAFounded ErudiFiDavid KleinGraduate Coursework: Policy to Drive Energy InnovationFounded ParadeGalia BenartziFounded Bancor
+ 5 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
Same school
Also attended Johns Hopkins School of Advanced International Studies (SAIS)73
Jessica (Bartos) ThomasPartner at Notion CapitalStephanie KomsaVice President – Institutional Client Relations, ATEL Capital Group at ATEL VenturesKayla RenzChief of Staff at First Row PartnersAshley N. PattonSr. Stewardship Analyst at Sands Capital VenturesJanna AyoubChief of Staff at C5 CapitalChristian SiegeleManaging Partner at Capnamic
+ 67 more
Also attended The Johns Hopkins University532
Dave JohnsonCo-founder & CEO of Dash BioNicole GaudelliEntrepreneur in Residence at GV (Google Ventures)Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla Ventures
+ 526 more
Also attended Phillips Exeter Academy155
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 DFJJacques PouheManaging Director at Skyview Ventures
+ 149 more
Shared employers
Also worked at Finley3
Also worked at Ironclad, Inc.17
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
+ 11 more
Also worked at Palantir Technologies291
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 VenturesErin Price-WrightInvestor at Index Ventures
+ 285 more
Also worked at Harvard Kennedy School's Belfer Center for Science and International Affairs8
Jeanie M. BarnettCommunications Director at Gingerbread CapitalChristine KeungPartner at J2 VenturesDr. Ashlie L BurkartChief Scientific Officer at Germin8 VenturesZara PerumalFounder at OverwatchAlvin SalehiFounder at GoldbridgeCarter PryFounder at Riverbank
+ 2 more