Inactive

Oak Investment Partners

General contacts
Investor type

VC

Founded

1978

AUM

$5 000 M

Location

United States

Investment Ticket

$10-50 m

Investment Stage

Series A Seed Series B Late Stage (Series C+)

Region of investment

North America Europe Africa Asia
Investor profile last updated: 21 August, 2026

Profile

Oak Investment Partners is a venture capital firm based in Norwalk, Connecticut. Founded in 1978 by its founding partners, the firm has built a team renowned for its deep industry expertise and strategic investment approach. With several decades of experience, Oak Investment Partners differentiates itself by being a large generalist VC with a keen focus on sectors where technology innovation is a key growth driver. The firm has a robust network of operational professionals providing strategic guidance to its portfolio companies.

Oak Investment Partners focuses on a wide array of sectors including Software, IT Services, Internet and Web Services, SaaS, Financial Services, HealthTech, and Telecommunications. The firm primarily invests in the Series A through Late Stage rounds, with a global reach that includes North America and other regions. Oak Investment Partners has managed multiple funds over the years, with significant assets under management.

Notable investments by Oak Investment Partners include companies like ZipCar - car-sharing service, Demand Media - digital content creation, MobiTV - mobile video delivery, Thrillist Media Group - digital media lifestyle brand, and NetSuite - cloud-based business management. These investments highlight their focus on innovative digital solutions and significant scale potential.

Industry

HealthTech Internet and Web Services Healthcare Services Fintech Financial Services Consumer Services (B2C) Telecommunications Software SaaS IT Services

Contacts

Name
Title
Email
Social Networks
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Fred Harman Managing Partner
Managing Partner
f•••@•••
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Andrew Adams General Partner
General Partner
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FAQs about Oak Investment Partners

Oak Investment Partners is a venture capital firm. It backs companies at Series A, Seed, Series B and Late Stage (Series C+), writing tickets of $10-50 m.
Oak Investment Partners is located in United States.
Oak Investment Partners was founded in 1978.
Oak Investment Partners invests in companies and startups in HealthTech, Internet and Web Services, Healthcare Services, Fintech, Financial Services, Consumer Services (B2C), Telecommunications, Software, SaaS, IT Services.
Oak Investment Partners invests in companies and startups in North America, Europe, Africa, Asia.
Oak Investment Partners invests in companies and startups at Series A, Seed, Series B, Late Stage (Series C+).
Oak Investment Partners usually invests $10-50 m on average.
Oak Investment Partners has around $5 000m assets under management.
Oak Investment Partners can be reached through its website oakinv.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Oak Investment Partners — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Oak Investment Partners directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 21 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.