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David Danielson

David Danielson

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

Flexible Check Size

Preferred Stages
series-aseries-b

Background & Investment Thesis

Partner at Breakthrough Energy Ventures. Former DOE Assistant Secretary. Clean energy expert.

Focus Industries

climateenergydeep-tech
AI Outreach Insight94% Match Score

Active investor in climate, energy, deep-tech. 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 David Danielson

Verified Deal Signals
Typical Check Size

$5M – $50M

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

Verified (Protected — Unlock)

Direct mailbox protected against spam
Focus Industries & Categories
climateenergydeep-tech

Frequently Asked Questions about David Danielson

What is David Danielson's typical angel check size?▼

David Danielson's investment check size typically ranges around $5M – $50M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does David Danielson invest in?▼

David Danielson primarily backs early-stage startups across series-a, series-b stages, focusing on climate, energy, deep-tech.

What companies are in David Danielson's angel portfolio?▼

David Danielson actively participates in early-stage technology investments and venture syndicates.

How can startup founders contact or pitch David Danielson?▼

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