Jonathon Lieberman

Head Of Business Development at Harper (YC W25)

Jonathon Lieberman is a seasoned professional with extensive experience in business development and legal roles within the financial sector. As the Head of Business Development at Harper since April 2025, Lieberman previously held positions at Altana and Alloy, where responsibilities included serving as an Enterprise Account Executive and occupying various roles focused on strategic fintech initiatives. Prior to that, Lieberman was the Marketplace Director at EquityZen, representing private markets. In legal practice, Lieberman worked as an Associate in Capital Markets at Weil, Gotshal & Manges LLP. Education includes a Juris Doctorate from Georgetown University Law Center and a Bachelor of Arts in Economics and Political Science Pre-Law from the University of Central Florida.

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Harper (YC W25)

Harper is a commercial E&S insurance brokerage. From prospecting and quoting to binding and service, our proprietary AI-native tech stack powers our organization.


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