About
Alek Petuskey is a co-founder of Reflex, a platform for building and deploying enterprise applications in Python.
Founder at ReflexYC W23
Intro paths
YC
Alek 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 Reflex's batch and knows the company first-hand. YC profile ↗
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In turn, Alek can intro founders to Reflex's investors below.
Reflex's investors · 9
Abstract VenturesSan Francisco · $250K – $750K checksAlpine Space VenturesMunich · $11M – $22M checks · since 2025ATX Venture PartnersAustin · $250K – $5M checksBayern KapitalLandshut · $275K – $55M checks · since 2025HTGFBonn · $1.1M checks · since 2025Lattice CapitalDover · $500K – $1.5M checksOutset CapitalSan Francisco · $200K – $400K checksPICUS CAPITALMunich · $100K – $300M checksY CombinatorSan Francisco · $500K checks · since 2023
Co-founders at Reflex
NR
Nikhil RaoFounder
Experience
- ReflexCofoundercurrent2023 — presentSan Francisco Bay Area
- AncestryMachine Learning Engineer2021 — 2022San Francisco, California, United States
- University of California, San FranciscoApplied ML Research2020 — 2021San Francisco, California, United States
- NASA Ames Research CenterSoftware Engineer2019 — 2020
- DropboxSoftware Engineer2019
- Berkeley SETI Research CenterResearcher, Breakthrough Listen Lab2018 — 2019Berkeley, California, United States
- UC Berkeley Electrical Engineering & Computer Sciences (EECS)Undergrad Student Instructor (UGSI)2018 — 2019Berkeley
Skills & more
PyTorch5Python (Programming Language)1Amazon Web Services (AWS)1SQL1ScalaJupyterJavaGitDatabasesTensorFlowTerraformGit BASH
+12 more
Amazon CloudWatchPandas (Software)REST APIsAWS Command Line Interface (CLI)Amazon Simple Notification Service (SNS)AWS Auto ScalingMLOpsData PipelinesMachine Learning AlgorithmsAlgorithmsOptimizationData ScienceFrom Alek's professional profile.
Frequently asked questions
- Who is Alek Petuskey?
- Alek Petuskey is a co-founder of Reflex, a platform for building and deploying enterprise applications in Python.
- Where does Alek Petuskey work?
- Alek Petuskey is Founder of Reflex.
- What companies did Alek Petuskey found?
- Alek Petuskey founded Reflex.
- Where did Alek Petuskey go to school?
- Alek Petuskey studied at Y Combinator (W23); University of California, Berkeley (Computer Science, Physics).
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 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
Dropbox mafia59
Also came through, then founded or led a company.
Drew HoustonCo-founder & CEOFounded AccoladeKanjun QiuProduct ManagerFounded Kanjun +2Gautam JayaramanEngineerFounded Onsite Pro +2Ivan KiriginProduct ManagerFounded YesGraph +1Sam OdioSenior Director of Product ManagementFounded Divvyshot +1Sheridan ClayborneMachine Learning Product ManagerFounded Lendtable +1
+ 52 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 University of California, Berkeley1,452
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
+ 1,446 more
Shared employers
Also worked at Ancestry15
Mike DoddGeneral Partner at Silverton PartnersKelly BennettExecutive Advisor at TCVMike HerringInvestor at EPIC VENTURESJim HigginsInvestor at EPIC VENTURESWilson SivertsonFinance at Album VCCali TranCEO of Cision; CEO of Brandwatch at SignalFire
+ 9 more
Also worked at University of California, San Francisco84
Logan HilleLife Sciences Analyst at CincyTechPaul JennyBoard Chair at CincyTechDavid KaufmanInvestor at Third Rock VenturesFrancisco GimenezInvestment Team at 8VCHani GoodarziFounder, Tahoe Therapeutics at Amplify PartnersCharles White, Ph.D.Principal at Illumina Ventures
+ 78 more
Also worked at NASA Ames Research Center46
Lindsey YeePrincipal at Starbridge Venture Capital LlcMelissa LokugamageSenior Venture Associate at 82VSRohit RaoInvestor at Two Sigma VenturesRyan AbronskiSenior Associate at Morgan Creek CapitalAshwin LalendranInvestor at Moxxie VenturesDipty DesaiVenture Partner at Elevate Capital
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+ 40 more
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