About John Fein
John Fein is managing partner at Firebrand Ventures, a seed and Series A fund. He sits on the board of HData and on the board of Realto.
Before Firebrand, he was a managing director at Techstars, where he ran three accelerator programs in Kansas City, starting in 2014. Earlier he spent nine years at UnitedHealth Group.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name John Fein in the role, so the role may have started earlier or lasted longer.
HData, Inc. Current
Managing Partner, Firebrand Ventures and director
2021 – Present · Lockport, IL
HData sells software that helps energy companies, regulators and others search and work with energy regulatory filings.
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Firebrand Ventures Current
Managing Partner
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Realto Inc.
Board member
From 2022
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Techstars
Managing Director Emeritus
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UnitedHealth Group
Key Colleagues at Startups
The people John Fein works with at each company, as listed on that company's latest Form D.
HData, Inc. · Form D, Nov 2, 2026
Hudson Hollister
Co-Founder, Chief Executive Officer and director
Yuval Lubowich
Co-Founder, Chief Product & Technology Officer
Mithun Banarjee
Director
Rajesh Choudhary
General Counsel
Amy Francetic
Co-Founder, Buoyant Ventures and director
Anthony Mealey
Director
LODAS Markets, Inc. · Form D, Oct 27, 2025
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Steven Braun
Director
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Robert Green
Director
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Mandy Jordan
Executive officer
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Brian King
Chief Executive Officer and director
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Rodrigo Neri
Executive officer and director
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Kyle Robey
Executive officer
KL
Kevin McCormack-Lane
Executive officer