Directory
John Wolthuis

John Wolthuis

Verified: Jun 2026 (Profile Confirmed)👑 Lead Investor
San Francisco, CA
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Check Size Range

Flexible Check Size

Preferred Stages
pre-seedseed

Background & Investment Thesis

Co-founder of Twilio. Angel investor in cloud communications and developer tools.

Focus Industries

developer-toolssaascloudapi

Notable Portfolio & Backed Deals

AI Outreach Insight94% Match Score

Active investor in developer-tools, saas, cloud, api. Highly responsive to concise pitches with clear traction metrics.

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Verified Deal Signals Active

Key Deal Terms & Quick Facts

Audited venture due diligence summary for John Wolthuis

Verified Deal Signals
Typical Check Size

$100k – $2M

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
developer-toolssaascloudapi
Notable Backed Deals & StartupsInternal company dossiers
Twilio

Frequently Asked Questions about John Wolthuis

What is John Wolthuis's typical angel check size?▼

John Wolthuis's investment check size typically ranges around $100k – $2M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does John Wolthuis invest in?▼

John Wolthuis primarily backs early-stage startups across pre-seed, seed stages, focusing on developer-tools, saas, cloud, api.

What companies are in John Wolthuis's angel portfolio?▼

John Wolthuis has backed notable companies including Twilio.

How can startup founders contact or pitch John Wolthuis?▼

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