Alex Iansiti
FounderFounder at /dev/fast
San Francisco, California, United States
Founded/dev/fast · YC
About
Alex Iansiti previously worked at Flowcode and Pinterest, and holds a degree in computer science from Harvard University (2021). He is now building generative UI tools at /dev/fast.
Founder at /dev/fastYC W26
Intro paths
YC
Alex went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran /dev/fast's batch and knows the company first-hand. YC profile ↗
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In turn, Alex can intro founders to /dev/fast's investors below.
/dev/fast's investors · 1
Co-founders at /dev/fast
Experience
- Carson AI (YC W26)Co-Foundercurrent2025 — presentSan Francisco Bay Area
- FlowcodeLead Full Stack Engineer2020 — 2025New York City Metropolitan Area
- PinterestGrowth Engineering Intern2019San Francisco Bay Area
- EasyEmailCCO2017 — 2019Greater Boston Area
- Harvard John A. Paulson School of Engineering and Applied SciencesResearch Assistant to Professor HT Kung2016 — 2018Cambridge, Massachusetts
- AltXSoftware Engineering Intern2015San Francisco Bay Area
- Charles River SchoolIT Intern2014Dover, MA
Skills & more
Java4HTML2CSS2Photoshop4JavaScript2Python2iOS1JS1Node.js1Flask1Bootstrap1Angular JS1
+12 more
C#Unity3DPremiereArduinoAndroidReact.jsSocket.ioGoogle APIAbleton LiveKinectRaspberry PiGoogle Apps ScriptLanguages English · Italian · Spanish
From Alex's professional profile.
Frequently asked questions
- Who is Alex Iansiti?
- Alex Iansiti previously worked at Flowcode and Pinterest, and holds a degree in computer science from Harvard University (2021). He is now building generative UI tools at /dev/fast.
- Where does Alex Iansiti work?
- Alex Iansiti is Founder of /dev/fast.
- What companies did Alex Iansiti found?
- Alex Iansiti founded /dev/fast.
- Where did Alex Iansiti go to school?
- Alex Iansiti studied at Y Combinator; Harvard University (Bachelor of Arts - BA, Computer Science); Milton Academy (High School).
Founder mafias
Y Combinator mafia9,496
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots
+ 9,489 more
Y Combinator mafia5,145
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyGleb ChuvpiloAlumFounded Pager +4IanFounded Apex Technology +3
+ 5,138 more
Milton Academy mafia8
Also came through, then founded or led a company.
Alyson (Friedensohn) WatsonFounded Modern Health +1Lars AlbrightFounded Session MBorna SafabakhshHigh School DiplomaFounded AgileMDBen ScharfsteinFounded RumeBen Rhodes-KropfHigh School DiplomaFounded SalesPatriotGeorge RoseFounded Rise Reforming
+ 1 more
Same school
Also attended Y Combinator2,000
Ryan SheaCo-founder of Blockstack (Stacks)Suhail DoshiFounder of Mixpanel; founder of ParticleArhaan A.Deeptech Fellow at Clear VenturesAkshat GoenkaInvestor at Moonfire VenturesJon XuGeneral Partner at Y CombinatorChris GoldaGeneral Partner at Y Combinator
+ 1,994 more
Also attended Harvard University1,948
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,942 more
Also attended Milton Academy54
TinaInvestments & Portfolio Services Team Member at Clear VenturesSteve BrotmanManaging Partner, Founder at Alpha PartnersPeter KellnerManaging Partner of Richmond GlobalJordan WindmuellerPartner at BA CapitalJohn NylenChief Revenue Officer at Asymmetric Capital PartnersClaire Hughes JohnsonCorporate Officer, Stripe at Operator Collective
+ 48 more
Shared employers
Also worked at Carson AI (YC W26)3
Also worked at Flowcode1
Also worked at Pinterest75
Sarah TavelVenture Partner at BenchmarkJeremy LevinePartner at Bessemer Venture PartnersBen SilbermannCo-founder of PinterestSomnathTechnology Partner and Chief Data Scientist at Clear VenturesKevin NiechenInvestment Team at 8VCAnthony SoohooVenture Partner at Copper Sky Capital
+ 69 more
