Lewis Polansky

Lewis Polansky

CEO @ Captain (YC W26)

About

Hey, I'm Lewis, Co-Founder and CEO at Captain. Captain delivers the strongest enterprise data retrieval engine ever built. Connect cloud storage and effortlessly search knowledge with much higher accuracy than standard RAG (Avg: 78% → 95%+ citations).A little about me:- Full-stack engineer of 10+ years and avid product designer- Recognized by the House of Representatives for community software solutions- Founded CyberSpace, a premier CTF hacking group- Invented the soy-based milk carton- Studied quantitative finance at PurdueLet's connect!

Country

United States

City

San Francisco

Industry

Information Technology & Services

Skill

Organizational Leadership, Software Engineering, Research and Development (R&D), Business Development, Front-End Development, Communication, User Experience (UX), Figma, Android Development, iOS Development, Cybersecurity, Amazon EC2, AWS Lambda, Linux, Firebase, Online Marketing, Oracle Application Server, Embedded Systems, Dart, Flutter

Experience

Captain (YC W26)

CEO

Captain (YC W26)

LinkedIn
2025 - Present · 1 yr

San Francisco Bay Area

Get accurate answers from your files. Captain is RAG's final form, a knowledge engine for your data, no matter where it's stored.

JUA Technologies International

Software & Business Development

JUA Technologies International

LinkedIn
2024 - 2024

Noblesville, Indiana, United States

Helped African farmers dry crops with solar-powered devices. Programmed embedded systems & built in Dart-Flutter.

Purdue IEEE

Head of Business Development

Purdue IEEE

LinkedIn
2023 - 2024 · 1 yr

West Lafayette, Indiana, United States

CyberSpace Cybersecurity

Founder

CyberSpace Cybersecurity

LinkedIn
2020 - 2024 · 4 yrs

South Pasadena, California, United States

Established CyberSpace to prepare high school students for the cybersecurity industry through first-hand experience with lessons, hacking demos, and industry speakers. Orchestrated annual King of the Hill hacking competitions. 1 IP address, 60 minutes, 1 "King of the Hill". Trained several National Semifinalist teams for the Air Force Association’s CyberPatriot National Cyber-Defense Competition. Expanded the High School club network beyond the original branch of ~40 active members to two new locations and in 2024, launched CyberSpace Online.

Congressional App Challenge

Development Team Lead

Congressional App Challenge

LinkedIn
2020 - 2022 · 2 yrs

Los Angeles, California, United States

2020 - Won "Best Technical Design" Award with a team of 3. Built Yelp for volunteering opportunities with C#, SQL, Node.js. 2022 - Inspired by a summer exchange in France, my team of 2 created a text message translator app using React Native.

Education

Y Combinator

Y Combinator

LinkedIn
Purdue University

Purdue University

LinkedIn

Finance

Purdue Hackers, Purdue Founders, Honors College, Purdue IEEE, Purdue Soybean Innovation Competition, Reformed University Fellowship

UCLA

UCLA

LinkedIn

Computer Science / Electrical and Computer Engineering

The Johns Hopkins University

The Johns Hopkins University

LinkedIn

Lewis Polansky's Contact Information

Email

******@***.com

Phone

(**) *** ****

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