Find your path to Jason
778 people in our graph share verified history with Jason — schools, employers, funds. One of them is your warm intro.
AndrewunlockedJason: together at University of Washington (2004–2006)
×5Jason: together at Y Combinator
Jason: together at University of Washington
Jason: together at Mercer Island High School
About
Jason Tan is founder and CEO of Sift, which provides an AI-powered platform for fraud prevention and risk decisioning.
Likely email· guessed from name + firm domain, not firm-published
- j•••@sift.comreveal75% confident
Founder/CEO at SiftYC S11
Intro paths
YC
Jason went through Y Combinator (Summer 2011) — any YC alum in your network can reach them through the YC community.
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In turn, Jason can intro founders to Sift's investors below.
Sift's investors · 12
FINTOP CapitalNashvilleFlucas VenturesJupiter · $100K – $5M checksForefront VentureSeattleFounders Circle CapitalSan FranciscoInsight PartnersNew York · $120M – $350M checksNext Coast VenturesAustin · $2M – $4M checksNext Frontier CapitalBozeman · $2M – $5M checksOpenView Venture PartnersBoston · $5M – $20M checks · since 2025Privilège VenturesLugano · $100K – $1M checksSpark CapitalSan Francisco · $500K – $25M checksStripesNew YorkY CombinatorSan Francisco · $500K checks · since 2011
Experience
- SiftFounder & Executive Chairmancurrent2011 — presentSan Francisco Bay Area
- SiftChief Executive Officer2011 — 2022
- Self-employedLeadership Coachcurrent2023 — present
- YPOChapter Chaircurrent2025 — present
- SelfAngel Investorcurrent2010 — present
- BuzzLabsCTO2010 — 2011Greater Seattle Area
- Optify - Marketing in Real-TimeSoftware Engineer2008 — 2010Greater Seattle Area
- ZillowSoftware Design Engineer2006 — 2008Greater Seattle Area
- The Boeing CompanyIntern2004Greater Seattle Area
Skills & more
Leadership9CoachingLeadership CounselingExecutive CoachingJava18Web Development12Start-ups16CSS8SQL10Ruby on Rails6Ruby4Amazon Web Services (AWS)3
From Jason's professional profile.
Frequently asked questions
- Who is Jason Tan?
- Jason Tan is founder and CEO of Sift, which provides an AI-powered platform for fraud prevention and risk decisioning.
- Where does Jason Tan work?
- Jason Tan is Founder/CEO of Sift.
- What companies did Jason Tan found?
- Jason Tan founded Sift.
- Where did Jason Tan go to school?
- Jason Tan studied at Leaders In Tech; Y Combinator; University of Washington (Bachelor of Engineering (B.E.), Computer Engineering).
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
Leaders In Tech mafia56
Also came through, then founded or led a company.
Sam HashemiFounded Felt +1Michael BabineauFellow (2022-2023)Founded Second Measure +1Michael HeinrichFounded OG Labs +1Ferhat BabacanFellowFounded Bluedot +1Ron EfroniFellowFounded Flox +1Selinay ParlakFellowFounded Bluedot +1
+ 49 more
Mercer Island High School mafia6
Also came through, then founded or led a company.
Same school
Also attended Leaders In Tech43
Nick FitzInvestor at Juniper Ventures Management, LlcJoe GreensteinPartner at Very Serious VenturesCameron PeakePartner at Restive VenturesMaria AlegreManaging Partner at Flori VenturesChris BennettInvestor at WonderschoolNicky GoulimisAngel
+ 37 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended University of Washington600
Andrew ChenGeneral Partner at Andreessen HorowitzArvind JainFounder & CEO of GleanJane MooneyCo-founder & VP, Strategy and Finance at Collaborative RoboticsVictoria TreygerGeneral Partner at Felicis VenturesAndrewAdvisor at Clear VenturesJoe HorsmanInvestor at Madrona Venture Group
+ 594 more
Also attended Mercer Island High School15
Ajay VasheeInvestor at IVP (Institutional Venture Partners)Michael FanfantGeneral Partner at Runa CapitalAshley MayerCo-founder and full-time GP at Coalition OperatorsChris StrandChief Financial Officer at Acequia Capital (AceCap)Tyler BensterTechnologist, Thought Leader at Asimov VenturesJessica ChaoInvestor at Endurance28
+ 9 more
Shared employers
Also worked at Sift9
Albert WengerUnion Square Ventures partner, technology investor, and author of The World After CapitalRon ShahPartner at StripesBrent SapiroInvestor at Blue Tulip VenturesAbby TangAdvisor at Trailyn VCIan DutraTalent at a16z cryptoLawrence DiaoGeneral Partner at Dragonfly Capital Partners
+ 3 more
Also worked at YPO456
Alex ChachavaInvestor at Leta CapitalRaoul Oscar FianoInvestor at DN CapitalRouven DresselhausInvestor at Cavalry VenturesRobert CoppedgeChief Executive Officer at Echo Health VenturesDan MalvenVenture Partner at Alpha PartnersTien WongTech investor, entrepreneur, and CEO; Chairman & CEO of Opus8
+ 450 more


































































