About
Jason Tan is founder and CEO of Sift, which provides an AI-powered platform for fraud prevention and risk decisioning.
Likely emailΒ· guessed from name + firm domain, not firm-published
- jβ’β’β’@sift.comreveal75% confident
Founder/CEO at SiftYC S11
Intro paths
YC
Jason went through Y Combinator (Summer 2011) β any YC alum in your network can reach them through the YC community.
β
In turn, Jason can intro founders to Sift's investors below.
Sift's investors Β· 12
FINTOP CapitalNashvilleFlucas VenturesJupiter Β· $100K β $5M checksForefront VentureSeattleFounders Circle CapitalSan FranciscoInsight PartnersNew York Β· $120M β $350M checksNext Coast VenturesAustin Β· $2M β $4M checksNext Frontier CapitalBozeman Β· $2M β $5M checksOpenView Venture PartnersBoston Β· $5M β $20M checks Β· since 2025PrivilΓ¨ge VenturesLugano Β· $100K β $1M checksSpark CapitalSan Francisco Β· $500K β $25M checksStripesNew YorkY CombinatorSan Francisco Β· $500K checks Β· since 2011
Experience
- SiftFounder & Executive Chairmancurrent2011 β presentSan Francisco Bay Area
- SiftChief Executive Officer2011 β 2022
- Self-employedLeadership Coachcurrent2023 β present
- YPOChapter Chaircurrent2025 β present
- SelfAngel Investorcurrent2010 β present
- BuzzLabsCTO2010 β 2011Greater Seattle Area
- Optify - Marketing in Real-TimeSoftware Engineer2008 β 2010Greater Seattle Area
- ZillowSoftware Design Engineer2006 β 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 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
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
University of Washington mafia114
Also came through, then founded or led a company.
Arvind JainMastersFounded GleanJane MooneyBachelor of Business Administration - BBAFounded Collaborative RoboticsMatthew ScholzBSFounded Oisin Biotechnologies +3Emmett ShearFounded Softmax +2Emin Gun SirerPh.D.Founded Avalanche +2Sara VaezyMPHFounded Dexcare +1
+ 107 more
Leaders In Tech mafia26
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 +1Chase AdamBoard MemberFounded WatsiArturo ElizondoFellowFounded The Every Company
+ 19 more
Mercer Island High School mafia2
Also came through, then founded or led a company.
Same school
Also attended Leaders In Tech21
Nick FitzInvestor at Juniper Ventures Management, LlcJoe GreensteinPartner at Very Serious VenturesCameron PeakePartner at Restive VenturesMaria AlegreManaging Partner at Flori VenturesGareth MacLeodFounder/CEO at TinkerSam HashemiFounder/CEO at Remix
+ 15 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 VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures
+ 1,994 more
Also attended University of Washington350
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 VenturesRolanda FuInvestor at Madrona Venture Group
+ 344 more
Also attended Mercer Island High School9
Ajay VasheeInvestor at IVP (Institutional Venture Partners)Michael FanfantGeneral Partner at Runa CapitalAshley MayerCo-founder and full-time GP at Coalition OperatorsTyler BensterTechnologist, Thought Leader at Asimov VenturesJessica ChaoInvestor at Endurance28Isaac KipustAssociate at Radian Capital
+ 3 more
Shared employers
Also worked at Sift9
Albert WengerUnion Square Ventures partner, technology investor, and author of The World After CapitalAshley ScullySenior Associate, Talent at StripesBrent SapiroInvestor at Blue Tulip VenturesAbby TangAdvisor at Trailyn VCAiden SlavinPolicy at a16z cryptoLawrence DiaoGeneral Partner at Dragonfly Capital Partners
+ 3 more
Also worked at YPO228
Alex ChachavaInvestor at Leta CapitalRaoul Oscar FianoInvestor at DN CapitalJeff BergerVenture Partner at FJ LabsRouven DresselhausInvestor at Cavalry VenturesRobert CoppedgeChief Executive Officer at Echo Health VenturesDan MalvenVenture Partner at Alpha Partners
+ 222 more
Also worked at BuzzLabs1
Also worked at Zillow28
Bill GurleyGeneral Partner Emeritus at BenchmarkKleida MartiroManaging Director at Glasswing VenturesPete FlintInvestor at NFXDoug PerlsonPartner at UNCOMMON DENOMINATORCraig ShermanPartner at Meritech Capital PartnersApril UnderwoodManaging Director at Adverb Ventures
+ 22 more































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