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Jon Callas

Verified: Jun 2026 (SMTP Validated)🚀 High-Velocity
San Francisco, CA
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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.

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Key Deal Terms & Quick Facts

Audited venture due diligence summary for Jon Callas

Verified Deal Signals
Typical Check Size

Undisclosed ($25k – $250k typical for early angels)

Direct angel check per syndicate / round
Target Stages
Pre-seedSeed
Early-stage entry valuation priority
Founder Pitch Contact

Verified (Protected — Unlock)

Direct mailbox protected against spam
Focus Industries & Categories
privacysecuritymessaging

Frequently Asked Questions about Jon Callas

What is Jon Callas's typical angel check size?▼

Jon Callas's investment check size typically ranges around Undisclosed ($25k – $250k typical for early angels), participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Jon Callas invest in?▼

Jon Callas primarily backs early-stage startups across Pre-seed, Seed stages, focusing on privacy, security, messaging.

What companies are in Jon Callas's angel portfolio?▼

Jon Callas actively participates in early-stage technology investments and venture syndicates.

How can startup founders contact or pitch Jon Callas?▼

Founders can access verified direct email contact channels, AI-assisted pitch drafting, and syndicate warm intro paths for Jon Callas through OpenAngels.