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Howard Hartenbaum

Howard Hartenbaum

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

Flexible Check Size

Preferred Stages
series-aseries-b

Background & Investment Thesis

General Partner at August Capital. Expert in internet infrastructure and security.

Focus Industries

infrastructuresecuritysaasenterprise

Notable Portfolio & Backed Deals

AI Outreach Insight94% Match Score

Active investor in infrastructure, security, saas, enterprise. 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 Howard Hartenbaum

Verified Deal Signals
Typical Check Size

$2M – $20M

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
infrastructuresecuritysaasenterprise
Notable Backed Deals & StartupsInternal company dossiers
SkypeRackspace

Frequently Asked Questions about Howard Hartenbaum

What is Howard Hartenbaum's typical angel check size?▼

Howard Hartenbaum's investment check size typically ranges around $2M – $20M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Howard Hartenbaum invest in?▼

Howard Hartenbaum primarily backs early-stage startups across series-a, series-b stages, focusing on infrastructure, security, saas, enterprise.

What companies are in Howard Hartenbaum's angel portfolio?▼

Howard Hartenbaum has backed notable companies including Skype, Rackspace.

How can startup founders contact or pitch Howard Hartenbaum?▼

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