Who are Silent Circle's co-founders?

Silent Circle was co-founded by Jon Callas, Phil Zimmermann and Vincent Moscaritolo.

Company

Silent Circle

1 people who founded or worked at Silent Circle went on to start 2 other companies, including Jon Callas (PGP Corporation and MDTV).

Silent Circle was founded in 2011 by Jon Callas, Phil Zimmermann and Vincent Moscaritolo.

Silent Circle is an encrypted communications firm based in Washington DC.

Private Founded 2011

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2 companies

People who worked at or founded Silent Circle and went on to start their own companies.

2 founded

PGP Corporation 2002 MDTV 2025