About
Jack Mastrangelo is a cofounder of Cobblestone who previously worked as a software engineer at Ramp and Facebook.
Founder at CobblestoneYC W23
Intro paths
YC
Jack went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.
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Their group partner at YC was Jared Friedman, General Partner at Y Combinator — the partner who ran Cobblestone's batch and knows the company first-hand. YC profile ↗
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In turn, Jack can intro founders to Cobblestone's investors below.
Cobblestone's investors · 2
Co-founders at Cobblestone
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Jason ScharffFounder