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John Mastal: Profile, Experience & Investments | Startup Intros

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JM

JOHN MASTAL

Founder and partner at Marlinspike

ActiveFounder Investor

Updated: Apr 2, 2026 ·

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Quick Facts

Role: Founder and partner
Company: Marlinspike
Status: Active
Type: Founder, Investor

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Experience

Founder and partnerFounderCurrent

Present - Present

Frequently Asked Questions

Who is John Mastal?

John Mastal is Founder and partner at Marlinspike.

What companies has John Mastal founded?

John Mastal co-founded Marlinspike.