Harpoon

harpoon.vc

San Francisco, California, United States

11-50 employees

LinkedIn Profile

About Harpoon

entrepreneurship, venture capital & private equity principals, aerospace and defense, robotics startups, artificial intelligence, renewable energy, dual-use tech, american innovation, life sciences, biotech, risk assessment, federal agency applications, space technology, ai, category-defining businesses, funding, operational expertise, portfolio management, energy and utilities, venture capital

Harpoon's Tech Stack

AI/ML

Communication

Discord

Decision Makers at Harpoon

1 contact

Larsen Jensen

Founder & General Partner

l***@harpoon.vc Sign up to view

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21 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Harpoon's Position in the StackWho Database

• Harpoon is 1 of 4,994 venture capital & private equity companies tracked in StackWho.
• 4,988 venture capital & private equity companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 2,450 venture capital & private equity companies are in the 11-50 employee range (same size as Harpoon).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Harpoon use?

Harpoon uses Gmail, Google Apps, Microsoft Office 365, Zendesk, Amazon AWS, WP Engine, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Harpoon?

StackWho has verified email addresses for 1 decision maker at Harpoon. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Harpoon directly for sales, recruiting, or partnerships.

What industry is Harpoon in?

Harpoon operates in the venture capital & private equity industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Harpoon's contact data?

Yes. StackWho Pro members can export decision maker contact data for Harpoon and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.