Fundraising Fox

David Winer

Founder

Founder at Ciro

San Francisco, California, United States

FoundedCiro · YC

About

David Winer is Chief Technology Officer at Ciro. He previously served as a product manager for Kotlin at Google, held engineering and product roles at multiple startups, and worked as a management consultant at Bain & Company. He holds a bachelor's degree in Applied Mathematics from Brown University, a master's degree in Electrical Engineering and Computer Science from UC Berkeley, and an MBA from Stanford University.

Founder at CiroYC S22

Intro paths

YC

David went through Y Combinator (Summer 2022) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran Ciro's batch and knows the company first-hand. YC profile ↗

→

In turn, David can intro founders to Ciro's investors below.

Ciro's investors · 2

CRV (Charles River Ventures)Bay Area · $250K – $5M checksY CombinatorSan Francisco · $500K checks · since 2022

Co-founders at Ciro

RGRoss Geiger
Ross GeigerFounder
RLRichard Lee
Richard LeeFounder

Experience

  1. CiroCo-Founder and CTOcurrent2022 — presentSan Francisco Bay Area
  2. GoogleKotlin Product Manager2019 — 2022San Francisco Bay Area
  3. WageCo-Founder and CTO2017 — 2019
  4. Pure StorageData Scientist2017Mountain View, CA
  5. Bain & CompanySenior Associate Consultant2013 — 2016Boston, MA

Skills & more

Python9Matlab6Java1Microsoft Excel1JavaScript1HTMLRuby on RailsCSSDatabasesMicrosoft OfficeKotlinMachine Learning6
+12 moreTeachingResearchCoffeeScriptMergers & AcquisitionsGo-to-market StrategyAgile Web DevelopmentNonprofit ConsultingAnalyticsConsultingComputer ScienceUser ExperienceAndroid Development

Languages English · Spanish

From David's professional profile.

Frequently asked questions

Who is David Winer?
David Winer is Chief Technology Officer at Ciro. He previously served as a product manager for Kotlin at Google, held engineering and product roles at multiple startups, and worked as a management consultant at Bain & Company. He holds a bachelor's degree in Applied Mathematics from Brown University, a master's degree in Electrical Engineering and Computer Science from UC Berkeley, and an MBA from Stanford University.
Where does David Winer work?
David Winer is Founder of Ciro.
What companies did David Winer found?
David Winer founded Ciro.
Where did David Winer go to school?
David Winer studied at Y Combinator; Stanford University (Master's Degree); University of California, Berkeley (Master’s Degree, Electrical Engineering and Computer Science).

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

Stanford University mafia903

Also came through, then founded or led a company.

Peter ThielJ.D.Founded PayPal +1Reid HoffmanB.S.Founded LinkedIn +2Joe LonsdaleBSFounded Opto +3Mike Maples JrBSFounded Pattern BreakersSteve JurvetsonMSEEFounded Mojo VisionBalaji SrinivasanGraduate StudentFounded Counsyl +1

+ 896 more

University of California, Berkeley mafia538

Also came through, then founded or led a company.

Steve WozniakBSFounded AppleTony XuB.S.Founded DoorDashAravind SrinivasDoctor of Philosophy - PhDFounded PerplexityAli GhodsiPost-docFounded DatabricksRyan PetersenBAFounded FlexportDavid FriedbergBAFounded Climate +2

+ 531 more

Brown University mafia114

Also came through, then founded or led a company.

Joe GebbiaJoint classesFounded AirbnbDylan FieldScBFounded FigmaPeter ThompsonBachelor's DegreeFounded Cleave Biosciences +4Grant VerstandigFounded Trase +3Sangeeta N. BhatiaBachelor of Science (BSc)Founded Port Therapeutics +3Ronak MassandMaster's degreeFounded Parkloco +3

+ 107 more

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Also attended Stanford University2,000

Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital

+ 1,994 more

Also attended University of California, Berkeley1,453

Byron DeeterPartner at Bessemer Venture PartnersSteve WozniakCo-founder of AppleTony XuCo-founder & CEO of DoorDashAravind SrinivasCo-founder & CEO of Perplexity AIAli GhodsiCo-founder & CEO of DatabricksRyan PetersenFounder & CEO of Flexport

+ 1,447 more

Also attended Brown University423

Theresia GouwFounding Partner at Acrew CapitalJoe GebbiaCo-founder of AirbnbDylan FieldCo-founder, CEO & Chair of FigmaAlexis AbramsPartner, General Counsel at Felicis VenturesJohn KimInvestor Relations at General CatalystAli Fisher SweetInvestor at Index Ventures

+ 417 more

Shared employers

Also worked at Ciro3

Anna KhanGeneral Partner at CRV (Charles River Ventures)Ross GeigerFounder at CiroRichard LeeFounder at Ciro

Also worked at Google1,715

Ron ConwayFounder of SV AngelElad GilSolo general partner investing through Gil CapitalKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundJess LeePartner and Chief Product Officer at Sequoia CapitalTomasz TunguzFounder & General Partner at Theory Ventures

+ 1,709 more

Also worked at Wage1

Willy ChuDirector, Portfolio Development at Salesforce Ventures

Also worked at Pure Storage19

Mike SpeiserManaging Director at Sutter Hill VenturesMike VolpiInvestor at Index VenturesCameron BaharVenture Partner at Think+ Ventures Management, LlcJoe PintoChief Customer Experience Officer, Pure Storage at Two Bear CapitalMallun YenFounder & Managing Partner at Operator CollectiveJay ChongManaging Partner at Millennium New Horizons

+ 13 more