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Founder

Jon Callas

Jon Callas founded PGP Corporation (2002), Silent Circle (2011) and MDTV (2025).

American computer security expert

3× founder Software & ITMedia & Entertainment 2002–2025
Wikipedia ↗ Suggest an edit
Network around Jon CallasJon CallasJon CallasPGP CorporationPGP CorporationSilent CircleSilent CircleMDTVMDTVA. W. PrinsA. W. PrinsA.J. DixA.J. DixAgus LasmonoAgus LasmonoAleś LipajAleś LipajAnthony RhulenAnthony RhulenBruno VanrybBruno VanrybDennis ByrneDennis ByrneHenk OosterlingHenk OosterlingJulia CagéJulia CagéJustin GaynerJustin GaynerLorna M. HughesLorna M. HughesMykola SlotschewskyjMykola SlotschewskyjPhil ZimmermannPhil ZimmermannRoger PolitisRoger PolitisRussell SipeRussell SipeSteve JobsSteve JobsStijn Van CauterStijn Van CauterValentin LacambreValentin LacambreVincent MoscaritoloVincent MoscaritoloVitali TsyhankouVitali TsyhankouWil HarrisWil HarrisWilliam ShivelyWilliam ShivelyWishnutamaWishnutamaYolaine de La BigneYolaine de La Bigne
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The world around Jon Callas — companies founded, co-founders, and where they came from. Hover a node to explore; click to open.

Companies founded by Jon Callas

3
2002
PGP CorporationPrivate Founder · Software & IT
2011
Silent CirclePrivate Founder
2025
MDTVPrivate Founder · Media & Entertainment

Co-founders

24
A
A. W. Prins
Co-founded MDTV
A
A.J. Dix
Co-founded MDTV
A
Agus Lasmono
Co-founded MDTV
A
Aleś Lipaj
Co-founded MDTV
A
Anthony Rhulen
Co-founded MDTV
B
Bruno Vanryb
Co-founded MDTV
D
Dennis Byrne
Co-founded MDTV
H
Henk Oosterling
Co-founded MDTV
J
Julia Cagé
Co-founded MDTV
J
Justin Gayner
Co-founded MDTV
L
Lorna M. Hughes
Co-founded MDTV
M
Mykola Slotschewskyj
Co-founded MDTV
P
Phil Zimmermann
Co-founded Silent Circle
R
Roger Politis
Co-founded MDTV
R
Russell Sipe
Co-founded MDTV
S
Steve Jobs
Co-founded MDTV
S
Stijn Van Cauter
Co-founded MDTV
V
Valentin Lacambre
Co-founded MDTV
V
Vincent Moscaritolo
Co-founded Silent Circle
V
Vitali Tsyhankou
Co-founded MDTV
W
Wil Harris
Co-founded MDTV
W
William Shively
Co-founded MDTV
W
Wishnutama
Co-founded MDTV
Y
Yolaine de La Bigne
Co-founded MDTV