Jon Callas - Angel Investor Profile

Location: San Francisco, CA

Former CTO of PGP and co-founder of Silent Circle. Angel investor in encryption and privacy tools.

Investment Focus & Industries

  • privacy
  • security
  • messaging
JC

Jon Callas

Verified: Jun 2026 (SMTP Validated)🚀 High-Velocity Angel
San Francisco, CA
𝕏 Twitter/Xin LinkedIn
Check Size Range

Flexible Check Size

Preferred Stages
Pre-seed & Seed

Background & Investment Thesis

Former CTO of PGP and co-founder of Silent Circle. Angel investor in encryption and privacy tools.

Focus Industries

privacysecuritymessaging
AI Outreach Insight94% Match Score

Active investor in privacy, security, messaging. Highly responsive to concise pitches with clear traction metrics.

Jon Callas - Angel Investor Profile | OpenAngels