Ethan Kurzweil

Ethan Kurzweil

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

Flexible Check Size

Preferred Stages
seedseries-aseries-b

Background & Investment Thesis

Partner at Bessemer. Expert in developer infrastructure and open source businesses.

Focus Industries

developer-toolsinfrastructureopen-sourcesaas

Notable Portfolio & Backed Deals

AI Outreach Insight94% Match Score

Active investor in developer-tools, infrastructure, open-source, saas. 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 Ethan Kurzweil

Verified Deal Signals
Typical Check Size

$2M – $30M

Direct angel check per syndicate / round
Target Stages
seedseries-aseries-b
Early-stage entry valuation priority
Founder Pitch Contact

Verified (Protected — Unlock)

Direct mailbox protected against spam
Notable Backed Deals & StartupsInternal company dossiers

Frequently Asked Questions about Ethan Kurzweil

What is Ethan Kurzweil's typical angel check size?▼

Ethan Kurzweil's investment check size typically ranges around $2M – $30M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Ethan Kurzweil invest in?▼

Ethan Kurzweil primarily backs early-stage startups across seed, series-a, series-b stages, focusing on developer-tools, infrastructure, open-source, saas.

What companies are in Ethan Kurzweil's angel portfolio?▼

Ethan Kurzweil has backed notable companies including Twilio, PagerDuty, Intercom, SendBird.

How can startup founders contact or pitch Ethan Kurzweil?▼

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