About
Brian Vallelunga founded Vantheon and Doppler.
Likely emails· guessed from name + firm domain, not firm-published
- b•••@doppler.comreveal90% confident
- b•••@doppler.comreveal75% confident
Chairman & Founder at DopplerYC W19
Intro paths
YC
Brian went through Y Combinator (Winter 2019) — any YC alum in your network can reach them through the YC community.
→
In turn, Brian can intro founders to Doppler's investors below.
Doppler's investors · 11
Abstract VenturesSan Francisco · $250K – $750K checksChapter OneLos Angeles · $5K – $200K checksCoinbase VenturesStamford · $100K – $10M checks · since 2026Credibly NeutralBrooklyn · since 2026CRV (Charles River Ventures)Bay Area · $250K – $5M checksFigment Capitalsince 2026Neotribe VenturesMenlo Park · $250K – $2M checksPantera CapitalSan Francisco · $5M – $100M checks · since 2026Peak State VenturesNew York · $100K – $15M checksTRAC (Third Round Analytics Capital)San Francisco · $250K – $2M checksY CombinatorSan Francisco · $500K checks · since 2019
Experience
- VantheonFounder & CEOcurrent2025 — presentAustin, Texas, United States
- DopplerFounder & Chairmancurrent2025 — present
- DopplerFounder & CEO2018 — 2025San Francisco Bay Area
- Soma CapitalTechnical Advisorcurrent2020 — presentSan Francisco Bay Area
- UberLead Software Engineer2018San Francisco Bay Area
- UberSoftware Engineer Internship2017San Francisco, California
- GigsterContract Developer2016 — 2017
- ThinkfulContract Mentor2016 — 2017
- MizaFounder & CEO2016 — 2017
- ParkMeMachine Learning Intern2016Santa Monica
- Burl AppsFounder & CEO2015Santa Cruz, CA, United States
- JuicyFounder2014 — 2015San Francisco Bay Area
- KodingIntern Front-End Developer2014San Francisco Bay Area
- LaborateFounder & CTO2012 — 2014Santa Cruz, California
- Parking In MotionIntern Front-End Developer2012 — 2013Santa Monica
- AdagegraphicsWeb Developer2011 — 2012El Segundo, CA
Skills & more
DopplerWeb DevelopmentCodaiOS developmentCoffeeScriptVimMVCEntrepreneurshipStart-upsSoftware DevelopmentSoftware EngineeringMobile Devices
+12 more
iOS DevelopmentMobile ApplicationsPythonJavaScriptDjangoPhotoshopHTML 5MySQLPostgreSQLApacheNode.jsPHPFrom Brian's professional profile.
Frequently asked questions
- Who is Brian Vallelunga?
- Brian Vallelunga founded Vantheon and Doppler.
- Where does Brian Vallelunga work?
- Brian Vallelunga is Chairman & Founder of Doppler.
- What companies did Brian Vallelunga found?
- Brian Vallelunga founded Doppler.
- Where did Brian Vallelunga go to school?
- Brian Vallelunga studied at Y Combinator (W19); Harvard Business School Online (Strategy and Leadership); University of California, Santa Cruz (Bachelor’s Degree, 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
Uber mafia170
Also came through, then founded or led a company.
Garrett CampFounder & ChairmanFounded Aero +1Raquel UrtasunChief Scientist, Head of Uber ATG R&DFounded WaabiRobin ChanAdvisorFounded Operator +2Dan LifshitsEngineering ContractorFounded GO GLOBAL WORLD +1Ben LernerSoftware Engineer, InfrastructureFounded Espresso AI +1Bastien BeurierSoftware EngineerFounded Lantern +1
+ 163 more
Harvard Business School Online mafia28
Also came through, then founded or led a company.
Jinal JhaveriDisruptive Strategy by Clayton Christensen,NegotiationFounded SchoolMint +1Sasha OrloffContinuing EducationFounded LendUp +1Upeka BeeThe Leadership Consortium by Frances FreiFounded DianaHR +1Santiago RibadeneiraDisruptive Strategy & Innovation - Clayton ChristensenFounded FastFarmaBen ScruggsCORe: Credential of ReadinessFounded Altis BiosystemsZach KaplanBusinessFounded Inventables
+ 21 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 Harvard Business School Online152
MariaInvestor at InvestinorKelsey BeausoleilBusiness Development Network at Redpoint VenturesOliver MarquesPartner, Capital Formation at March Capital PartnersJohn DemeterInvestor at Khosla VenturesJeff RoseAdvisor at AI CapitalRobAdvisor at TFX Capital
+ 146 more
Also attended University of California, Santa Cruz74
Daniela AmodeiCo-founder & President of AnthropicNeha JewalikarDirector of Communications at Scale Venture PartnersChristine SamsAssistant Controller at Crosslink CapitalAnne FoorInvestor at Khosla VenturesNoor NijjerHead of Investor Relations at Sierra VenturesJohn BurkeCo-Founder, Managing Partner at PROOF
.avif)
+ 68 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
Shared employers
Also worked at Uber418
Bill GurleyGeneral Partner Emeritus at BenchmarkJason CalacanisFounder of LAUNCH; host of This Week in StartupsAndrew ChenGeneral Partner at Andreessen HorowitzGarrett CampCo-founder of Uber and StumbleUpon; founder of ExpaRaquel UrtasunFounder & CEO of WaabiFrédérique DameInvestor at GV (Google Ventures)
+ 412 more