John Martinson, an angel investor operating under Martinson Ventures. See sector focus and contact routes.
About John Martinson
John Martinson, an angel investor operating under Martinson Ventures, strategically deploys capital into late-stage venture and private equity funds. His investment focus is primarily on technology-led growth companies, with individual investments ranging from $2 million to $15 million per company. Beyond direct fund investments, Martinson Ventures actively engages in the secondary market, acquiring positions from existing limited partners. Furthermore, John Martinson co-invests alongside small buyout funds in their portfolio companies, demonstrating a diversified approach to supporting high-growth enterprises within the technology sector.
John Martinson at a glance
Role
Angel Investor
Location
Princeton, NJ, United States
Investor type
Individual/Angel
Focus areas
Mr. John Martinson is the Founding Partner at Edison Partners. In 1986 John Martinson founded Edison Ventures and currently serves as General Partner. Edison invested over $1 billion in 195 East Coast software companies. John brings best practices and Edison's value added programs to Clearpoint's BOD. He has financed and guided over 50 information technology business serving drug, healthcare and education applications. John received BS from US Air Force Academy, two Masters and two honorary PhD degrees. He was Chairman of National Venture Capital Association and currently serves as Chairman at Martinson Ventures.
Frequently asked about John Martinson
What does John Martinson invest in?
John Martinson (Princeton, NJ, United States) — sector focus: Mr. John Martinson is the Founding Partner at Edison Partners. In 1986 John Martinson founded Edison Ventures and currently serves as General Partner. Edison i….
How do I contact John Martinson?
John Martinson's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is John Martinson headquartered?
John Martinson is based in Princeton, NJ, United States.
Every field above is read from the StartupFundraising firm directory — disclosed location, recorded investments and stated focus — and re-checked as filings arrive. Founders pair it with investors in Princeton when building a target list.
