JON CALLAS

JON CALLAS

Co-founder & CTO

Jon Callas is a cryptographer, software engineer, and entrepreneur. He is the co-author of many crypto and security systems including OpenPGP, DKIM, ZRTP, Skein, and Threefish. He has co-founded several startups including PGP and Silent Circle, and has worked on security and crypto for Apple, Tesla, Kroll-O’Gara, Counterpane, and Entrust.

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