Investor profile

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Buff Gold Ventures

VC

USDeep TechBio/PharmaClimateAI/MLHealthtech

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Investment thesis

Buff Gold Ventures invests in high-potential, disruptive technologies that address large-scale challenges, with a strong focus on companies originating from the University of Colorado Boulder. The firm backs CU Boulder founders—faculty, students, alumni, and startups licensing CU intellectual property. They seek execution-focused founders who are committed to building at scale, providing Pre-Seed, Seed, and Series A capital, along with follow-on capital and assistance with syndication. The firm's portfolio spans diverse sectors, including biotechnology, climate tech, next-generation semiconductor technologies, and energy storage, ensuring their investments contribute to meaningful advancements in technology while delivering strong returns for their partners.

Notable quotes

Building a startup is expensive and resource intensive. Even more so in deep tech, where commercialization can take 10+ years to get from ideation to first revenue. This wide gap between first funding and revenue can discourage investment and limit success of some of the most important and impactful technologies.

Tasso von Windheim · Buff Gold Ventures blog post

Team

Mark Lupa

Co-Founder & Managing Partner

Deep Tech

Sally Hatcher

Co-Founder & Managing Partner

Deep TechBio/Pharma

Tasso von Windheim

Associate

Deep Tech

Recent investments

CompanyRoundSizeDate
Think BioscienceSeries A$55m2026-01-20
SweptSeed$5m2025-08-18
Polaris Electro-OpticsSeed2023-12-05
LongPath TechnologiesSeries A$22m2022-12-05
Vitro3DSeed2022-11-02
VitriVaxunknown
SinusLogicunknown
Tynt Technologiesunknown
Vycarbunknown
Mana Batteryunknown

Frequent co-investors

VC firmDeals together
Regeneron Ventures1
M251
Rhapsody Venture Partners1
White Deer Energy1
ProFrac1
Williams1

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