Silent Circle is a leader in enterprise privacy, delivered through a revolutionary mobile platform of devices, software and services, starting with ZRTP to build a fundamentally different mobile architecture. Now led by Bill Conner, the former Entrust President and CEO and Nortel President, Silent Circle was co - founded by Mike Janke, former Navy SEAL and security expert; Phil Zimmermann, co - founder of PGP, developer of the ZRTP protocol and 2015 inductee into the Internet Hall of Fame; and Jon Callas, creator of Apple's whole disk encryption software and co - founder of PGP Corporation. Silent Circle is headquartered in Switzerland, home to the worlds best privacy laws. For more information on Silent Circle website.