Brown Dog Capital
Scientist operating a Cellanome cellular analysis instrument

Cellanome · First invested in 2026

A revolution in cellular biology and research.

Backing the people building what comes next.
Independent capital. A founder’s perspective.

Jeff Bonforte, Managing Director of Brown Dog Capital

Jeff Bonforte

Managing Director

Brown Dog Capital is Jeff Bonforte’s personal investment company, with investments spanning consumer brands, software, financial technology, life sciences, AI, and space.

Jeff has spent more than 30 years founding startups and leading technology businesses, and more than 20 years investing. He has made more than 100 individual angel, venture, and private equity investments and is a partner at Catapult Capital, a private equity firm.

He has founded and led five startups, with exits to Google and Yahoo, served as a senior executive at Yahoo, and led Grindr as CEO up to its IPO on the NYSE.

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Selected investments