Consultant on cryptography and protocol design, notably with Moxie Marlinspike.
Known for:
- Signal Protocol
- Double Ratchet Algorithm
- Noise Protocol Framework
- TACK as part of Marlinspike's Convergence (SSL) strategy NB the tack.io domain-name seems to have lapsed in mid-2024 ()
Winner of the 2017 Levchin Prize for real-world cryptography with Moxie Marlinspike “For the development and wide deployment of the Signal protocol”