About
Grace Cimaszewski holds a PhD from Princeton and has conducted security research on TLS certificate security, contributing to standards adopted by the CA/Browser Forum. She previously held research positions at Google and Corelight Labs before founding Crosslayer Labs with fellow researchers.
Founder at Crosslayer LabsYC W26
Intro paths
YC
Grace went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
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Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran Crosslayer Labs's batch and knows the company first-hand. YC profile ↗
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In turn, Grace can intro founders to Crosslayer Labs's investors below.
Crosslayer Labs's investors · 1
Co-founders at Crosslayer Labs
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Henry Birge-LeeFounder
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Prateek MittalFounder