Fundraising Fox

Lewis Polansky

Founder

CEO/Co-Founder at Captain

San Francisco, California, United States

FoundedCaptain · YC

About

Lewis Polansky worked on community software projects and previously founded CyberSpace, a CTF hacking group. He studied at Purdue before leaving to lead Captain.

CEO/Co-Founder at CaptainYC W26

Intro paths

YC

Lewis 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 Garry Tan, President & CEO of Y Combinator — the partner who ran Captain's batch and knows the company first-hand. YC profile ↗

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In turn, Lewis can intro founders to Captain's investors below.

Captain's investors · 4

AccelPalo Alto · $1.6M – $70M checks · since 2024Tiger Global ManagementNew York · $1M – $100M checks · since 2024Y CombinatorSan Francisco · $500K checks · since 2026Z47Coral Springs · $1.2M – $40M checks · since 2024

Co-founders at Captain

EBEdgar Babajanyan
Edgar BabajanyanCo-Founder and CTO

Experience

  1. Captain (YC W26)CEO & Co-Foundercurrent2025 — presentSan Francisco Bay Area
  2. JUA Technologies InternationalSoftware & Business Development2024Noblesville, Indiana, United States
  3. Purdue IEEEHead of Business Development2023 — 2024West Lafayette, Indiana, United States
  4. CyberSpace CybersecurityFounder & President2020 — 2024South Pasadena, California, United States
  5. Congressional App ChallengeDevelopment Team Lead2020 — 2022Los Angeles, California, United States

Skills & more

Languages French

  • Advanced French Fluency CEFR C1 — Council of Europe

From Lewis's professional profile.

Frequently asked questions

Who is Lewis Polansky?
Lewis Polansky worked on community software projects and previously founded CyberSpace, a CTF hacking group. He studied at Purdue before leaving to lead Captain.
Where does Lewis Polansky work?
Lewis Polansky is CEO/Co-Founder of Captain.
What companies did Lewis Polansky found?
Lewis Polansky founded Captain.
Where did Lewis Polansky go to school?
Lewis Polansky studied at Y Combinator (W26); Purdue University (Bachelor of Science - BS, Finance).

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

Purdue University mafia79

Also came through, then founded or led a company.

Gaurav SantBSCEFounded CarbonBuilt +2Aaron SistoBSFounded Searchable AI +1Ignacio MartinezAgribusiness Leadership PlusFounded Cibo Technologies +1Jack O'MearaBachelor’s DegreeFounded Aerska +1Patrick SigristMaster’s DegreeFounded IORQ +1John BohlmannB.Sci.Founded Spacefund +1

+ 72 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 VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures

+ 1,994 more

Also attended Purdue University232

Mamoon HamidPartner at Kleiner PerkinsKenneth Morand, Ph.D.Life Sciences Partner at CincyTechJane CommerfordOperations at 8VCSven StrohbandInvestor at Khosla VenturesJeff PetersPartner at Ibex InvestorsKenneth MorandLife Sciences Partner at CincyTech

+ 226 more

Shared employers

Also worked at Captain (YC W26)1

Edgar BabajanyanCo-Founder and CTO at Captain