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Lewis Polansky

Lewis Polansky

Co-founder & CEO at Captain (YC F25). Building AI search

lewis
San Francisco, California
794 connections
Joined September 2025

Summary

Lewis Polansky is a young entrepreneur with a strong focus on AI innovation, particularly in developing advanced data retrieval and knowledge search engines. He co-founded Captain (YC F25), which aims to revolutionize enterprise knowledge search by providing high accuracy and an "infinite context window" for unstructured data, building on his previous experience solving AI hallucination challenges. ycombinator+2
He possesses a blend of business acumen and technical development skills, evidenced by his diverse roles as Head of Business Development at Purdue IEEE, Software & Business Development at JUA Technologies International, and his foundational work at CyberSpace Cybersecurity Education and the Congressional App Challenge. His academic pursuits at Purdue University in Finance further complement his entrepreneurial drive. purdueexponent
Lewis is actively involved in the academic and startup community, advising projects like "Deep Query" at ML@Purdue. His early engagement in computing and app development, including participating in the Los Angeles Computing Circle and winning awards in the Congressional App Challenge, demonstrates a long-standing passion for technology and problem-solving. purdue+2
He is also an award-winning innovator in product development, securing second place in the Purdue Student Soybean Innovation Competition for his "SoyBox" project, which involved creating a soy-based packaging material. This highlights his ability to apply interdisciplinary knowledge to practical challenges. purdueexponent+1

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Hobbies

Enjoys speedcubing and is listed on the World Cube Association website. worldcubeassociation+1