Fundraising Fox
Lewis Polansky
FounderCEO/Co-Founder at Captain
San Francisco, California, United States
FoundedCaptain · YC
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Ask Garry Tan to introduce you to Lewis
You →Garry · together at YC W26 (2026) →Lewis
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You →Jamie · 11 people · together at YC W26 →Lewis
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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
Lewis went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
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 ↗
In turn, Lewis can intro founders to Captain's investors below.
Captain's investors · 8
Co-founders at Captain
Experience
- Captain (YC W26)CEO & Co-Foundercurrent2025 — presentSan Francisco Bay Area
- JUA Technologies InternationalSoftware & Business Development2024Noblesville, Indiana, United States
- Purdue IEEEHead of Business Development2023 — 2024West Lafayette, Indiana, United States
- CyberSpace CybersecurityFounder & President2020 — 2024South Pasadena, California, United States
- 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 mafia10,601
Also came through, then founded or led a company.
Purdue University mafia244
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended Purdue University494
+ 488 more