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© 2026 Startup Intros, Inc.San Francisco, CA · Made for Founders

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§ Founder & Investor Profile

John Mastal

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.