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John Martinson

Investor

Chairman at Martinson Ventures · Board director at eChalk · Board director at Tridiuum

Trenton, New Jersey

Writes $5K – $50K checks · typically $25K

Find your path to John

162 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.

Kristen DumbeckunlockedJohn: together at Edison Ventures (2020–2022)
John: together at Edison Ventures
John: together at eChalk
John: together at Martinson Ventures

About

Veteran venture capitalist with 45 years in the software industry who founded Edison Partners in 1986 (which invested over $3B across 275 East Coast companies). He is a philanthropist, past Chairman and director of the NVCA, and holds degrees from the U.S. Air Force Academy, Purdue, and Southern Illinois University Edwardsville.

Contact· published on John's own website

Board director at eChalk

Intro paths

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In turn, John can intro founders to eChalk's investors below.

eChalk's investors · 1

Martinson VenturesPennsylvania · $2M – $15M checks · since 2016

Co-founders at eChalk

TR
Torrance RobinsonExecutive Officer, Director

Board director at Tridiuum

Intro paths

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In turn, John can intro founders to Tridiuum's investors below.

Tridiuum's investors · 3

Baleon CapitalLos Angeles · since 2021Fresenius Medical Care VenturesBad HomburgMartinson VenturesPennsylvania · $2M – $15M checks

Co-founders at Tridiuum

GG
Grant GrissomExecutive Officer, Director

Board director at Tridiuum

Intro paths

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In turn, John can intro founders to Tridiuum's investors below.

Tridiuum's investors · 3

Baleon CapitalLos Angeles · since 2021Fresenius Medical Care VenturesBad HomburgMartinson VenturesPennsylvania · $2M – $15M checks

Co-founders at Tridiuum

GG
Grant GrissomExecutive Officer, Director

Experience

  1. Edison VenturesManaging Partnercurrent1986 — presentLawrenceville, NJ
  2. InnoVen GroupPrincipal1979 — 1986

Deals · 1

eChalkBoard seat

via Martinson Ventures · filed Dec 2016 · $2.8M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Investor

ClassTagd2iHeyKiddoSTRATIS IoT

Sources: SEC Form D filings · curated public sources.

Colleagues at Martinson Ventures

Beth Myatovich
Operations at Martinson Ventures
Ross Martinson
Director at Martinson Ventures

Frequently asked questions

Who is John Martinson?
Veteran venture capitalist with 45 years in the software industry who founded Edison Partners in 1986 (which invested over $3B across 275 East Coast companies). He is a philanthropist, past Chairman and director of the NVCA, and holds degrees from the U.S. Air Force Academy, Purdue, and Southern Illinois University Edwardsville.
Where does John Martinson work?
John Martinson is Chairman at Martinson Ventures and Board director at eChalk and Board director at Tridiuum and Board director at Tridiuum.
What check size does John Martinson write?
John Martinson typically writes checks of $5K – $50K.
What boards does John Martinson sit on?
John Martinson holds tracked board seats at eChalk.
What companies has John Martinson invested in?
Investments tracked here include ClassTag, d2i, HeyKiddo, STRATIS IoT.
Where did John Martinson go to school?
John Martinson studied at Purdue University (MS, Astronautics); Southern Illinois University (Master of Business Administration (MBA)); US Airforce Academy (BS, Aeronautical Engineering).

Same school

Shared employers