Alexander Bell
FounderFounder and CEO at SensorSurf
San Francisco, California, United States
FoundedSensorSurf · YC
Find your path to Alexander
315 people in our graph share verified history with Alexander — schools, employers, funds. One of them is your warm intro.
Nic LowdenunlockedAlexander: together at Uber (2019)
×6Alexander: together at Uber
Alexander: together at The Ohio State University
×3Alexander: together at Expedia Group
About
Alexander Bell previously founded SensorSurf (Y Combinator W23), which provided data collection software for robotics applications in industrial environments. He now develops ThunderPhone, an AI-powered business call automation platform.
Founder and CEO at SensorSurfYC W23
Intro paths
YC
Alexander went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran SensorSurf's batch and knows the company first-hand. YC profile ↗
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In turn, Alexander can intro founders to SensorSurf's investors below.
SensorSurf's investors · 1
Co-founders at SensorSurf
NE
Noah EpsteinFounder
Experience
- ThunderPhoneCo-Founder & CTOcurrent2025 — present
- SensorSurf (YC W23)Founder & CEO2023 — 2024
- Sea Machines RoboticsMachine Learning Engineer2022
- Expedia GroupMachine Learning Engineer2020 — 2022
- UberSoftware Engineer2019 — 2020
Skills & more
C++Machine LearningComputer Vision
From Alexander's professional profile.
Frequently asked questions
- Who is Alexander Bell?
- Alexander Bell previously founded SensorSurf (Y Combinator W23), which provided data collection software for robotics applications in industrial environments. He now develops ThunderPhone, an AI-powered business call automation platform.
- Where does Alexander Bell work?
- Alexander Bell is Founder and CEO of SensorSurf.
- What companies did Alexander Bell found?
- Alexander Bell founded SensorSurf.
- Where did Alexander Bell go to school?
- Alexander Bell studied at Y Combinator (W23); University of Colorado Boulder (M.S., Computer Science); The Ohio State University (B.S. Computer Science & 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
Uber mafia233
Also came through, then founded or led a company.
Garrett CampFounder & ChairmanFounded Aero +1Raquel UrtasunChief Scientist, Head of Uber ATG R&DFounded WaabiGary VaynerchukAngel InvestorFounded Empathywines +4Dan LifshitsEngineering ContractorFounded GO GLOBAL WORLD +1David PickerellLead Operations and Logistics ManagerFounded GigSafe +1Ben LernerSoftware Engineer, InfrastructureFounded Espresso AI +1
+ 226 more
University of Colorado Boulder mafia138
Also came through, then founded or led a company.
Steve WozniakHonorary PhD.Founded AppleRob WitoffBSFounded Chalktalk +1Stuart McClureBAFounded Cylance +1John MaslinFounded Vulcan Elements Holdings +1Eric RachmelFounded Brace +1Devon TivonaBachelor's DegreeFounded Tivona & Haug +1
+ 131 more
The Ohio State University mafia107
Also came through, then founded or led a company.
Wil SchroterUndegradFounded Startups +2Torrey LeonardBachelor's degreeFounded Thought +2Ben KellieM.S.Founded Appliedatomics +2Andy SparksB.A.Founded LaunchGram +1Ben GilbertBSCSEFounded Acquired +1Ray GrieselhuberBachelor of Arts - BAFounded Functionize +1
+ 100 more
Expedia Group mafia18
Also came through, then founded or led a company.
Henrique DubugrasBoard MemberFounded Stone +1Sean SafahiDirector, Strategic Payment PartnershipsFounded Bold Financial Technologies +1Andy HamiltonHead of Operations, MultifamilyFounded Apartment Jet +1Dan DriscollProduct Manager - Acquisition (Vrbo / HomeAway)Founded Boutiq +1Nick MillerDirector, Product ManagementFounded ParkingpandaSatya SinghDirector of Product Management - Platform & MarketplacesFounded Scispot
+ 11 more
Same school
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 Colorado Boulder435
Steve WozniakCo-founder of AppleChris RustCo-Founder and Partner at Clear VenturesSydney EberhardtInvestor at True VenturesBob ThomasPartner at OxxKirsten SuddathInvestor at Next Frontier CapitalCarolyn ExarhakisSenior Associate, Legal at JMI Equity
+ 429 more
Also attended The Ohio State University301
Keatten SmithCapital Formation Coordinator at March Capital PartnersSara Risch, PhDAdvisor at CincyTechWill McKelveyPrincipal at Lerer HippeauLaura SebastianiVP of Finance at Scale Venture PartnersSuresh BalasubramanianInvestor at Storm VenturesJohn D. SimonExecutive Venture Partner at Caduceus Capital Partners
+ 295 more
Shared employers
Also worked at ThunderPhone1
Also worked at Sea Machines Robotics5
Also worked at Expedia Group98
Henrique DubugrasCo-founder & former chairman of BrexMike FridgenVenture Partner at Madrona Venture GroupJillExecutive Assistant at Thomson Reuters VenturesBrian ReganManaging Director and Chief Financial Officer at Spectrum EquityCraig BlairCo-founder & Partner, Chair of Investments at AirTree VenturesBrianne KimmelFounder & Managing Partner at Worklife Ventures
+ 92 more
Also worked at Uber602
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 WaabiGergely NemethSenior Engineering Manager at DoorDash; co-founder of RisingStack
+ 596 more