Skip to main content
John Fein headshot

John Fein

Unclaimed
Managing Partner, FirebrandFirebrandMenlo Park, CA

Current Firm

Firebrand

Focus

Enterprise, Fintech

About John Fein

John Fein is a former elite distance runner who explicitly connects the discipline, resilience, and long-term mindset of serious running to how he evaluates and supports founders, often referencing endurance, pacing, and consistency as core to his investing style. He ran three Techstars accelerator programs and personally worked with scores of founders before raising a fund, bringing structured programming, dense mentorship, and hands-on company-building habits from Techstars into his day-to-day venture work at Firebrand.

Focus Areas

Investment Stage

Pre-Seed
Seed
Series A
Series B+

Other Investors at Firebrand

Claire Hansen
Claire Hansen

Principal, Firebrand

Firebrand

View full team →

Investment Profile

John Fein is a Managing Partner, Firebrand at Firebrand, based in Menlo Park, CA.

John's investment focus spans Enterprise, Fintech, SaaS, primarily investing at the Pre-Seed, Seed, Series A, Series B+ stages. This specialization allows for deep domain knowledge and strong network effects that benefit portfolio companies.

Frequently Asked Questions

Who is John Fein?

John Fein is a Managing Partner, Firebrand at Firebrand, based in Menlo Park, CA. Their investment focus includes Enterprise, Fintech, SaaS.

What does John Fein invest in?

John Fein focuses on investments in Enterprise, Fintech, SaaS through Firebrand. These focus areas reflect their domain expertise and the types of startups they actively seek to back.

What firm is John Fein at?

John Fein is currently at Firebrand, headquartered in Menlo Park, CA, serving as Managing Partner, Firebrand.

Fund Operations Resources

Independent guides to the software and workflows venture investors and their firms use to run funds.

Related tools and reading

Sponsored
AArchstone

The operating system for private capital.

Archstone runs the back office for venture, PE, real estate, and credit funds — LP reporting, capital calls, portfolio tracking, and fund accounting, in one platform. Now in alpha.

LP portalCapital calls$297/moNo AUM fees
Book a demo