Jon Callas

Jon Callas

American cryptographer, inventor, and co-founder of Silent Circle, an encrypted communications firm

Jon Callas is an American cryptographer, inventor, and entrepreneur. He is the co-founder and CTO of Silent Circle, an encrypted communications firm that provides secure communication services for mobile devices. Callas is also the co-founder of PGP Corporation, a computer software company that has received numerous innovation awards for its encryption technologies. He is the creator of Apple’s Whole Disk Encryption System. Callas is considered one of the top security software engineers in the world and is currently an adjunct professor at Indiana University. In 2023, he founded Hand-Craft Software.

Subscribe and listen to ​Jon ’s talks on​

Jon 's Talks

Related Talks

The Power of Open Source

Lyn Alden, Jack Dorsey  | 2024 OFF in Oslo

Enough of Him

Anastasia Shevchenko | 2024 OFF in Oslo

Gaza: What happens Next?

Hilde Sandvik, Espen Barth Eide, Ambassador Marie Antoinette Sedin, Gershon Baskin, Mustafa Barghouti | 2024 OFF in Oslo

An End to Impunity in Cambodia

Sam Rainsy | 2024 OFF in Oslo
OFF - Join us

Join Us for the 2024 Oslo Freedom Forum

This website uses cookies to ensure you get the best experience on our website.