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I’m an xNSA, xGoogler, xHigh Frequency Trading CISO

My cryptographic innovations feature in the Google Security Blog, WhatsApp, Signal, iMessage, Google Messages, and Proton.

I've built out a coalition of CISOs that resulted in Executive Order 13800

I’m a trusted regulatory interlocutor with FINRA, the SEC, and international regulators in the UK, Ireland, India, Australia, China, and Russia.

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