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Hadley Harris

Hadley Harris

Co-Founder & General Partner·Eniac Ventures

New York City

Bio

Professional summary

Hadley Harris is a Co-Founder and General Partner at Eniac Ventures, where he focuses on AI-native companies across the agent layer, tooling, data infrastructure, and foundation-level technologies. Eniac’s profile also says he leads the firm’s strategic direction. Before venture capital, he helped build two VC-backed startups: Vlingo, where he worked across product, strategy, and marketing before its sale to Nuance, and Thumb, where he served as Chief Business Officer before its acquisition by YPulse. Earlier, he worked as a developer and engineering team lead at Pegasystems, a product manager at Microsoft, and a strategist at Samsung. He lives in New York City and holds an MBA from Wharton and an engineering degree from the University of Pennsylvania.

Investment focus

Stage, sector, and overall fit

Stage

pre-seedseed0-to-1 company building

Sector

AI-native companiesagent layertoolingdata infrastructurefoundation-level technologies

Thesis

AI-native startupsAI agent layerdeveloper and AI toolingdata infrastructure

How to approach

Framing and angles for outreach

Pitch framing

Lead with a technically specific AI-native thesis and explain where your company sits in the agent, tooling, data infrastructure, or foundation technology stack. Hadley’s operating background suggests he may respond well to founders who can connect deep technical insight with practical product and go-to-market execution.

Personalization hooks

  1. 1Reference his stated focus on the AI agent layer, tooling, data infrastructure, and foundation-level technologies.
  2. 2Mention his operating experience at Vlingo if pitching voice, AI, or product-led technical teams.
  3. 3Connect the pitch to 0-to-1 product-market-fit work, which Eniac highlights as a team focus.
  4. 4His profile mentions yoga, meditation, mixing music, and tennis as personal interests.

Recent signals

What the partner has said or done recently

  • Eniac’s team page links to a public item titled 'Hadley Harris: Building Eniac Ventures with 3 Friends / Investing in AI'.

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TY

Timothy Young

Co-founder & General Partner

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Eniac co-founder investing in defense, healthcare, security, legal tech, and regulated markets.

defense technologyhealthcareintelligence technologylegal techregulated marketssecurity