Jon Flint is a founding partner at Polaris Partners. He has experience in venture capital, law, and government research, and co-founded the company Living Proof.

What Jon can write

Writes checks of$500K to $10M
Comes in atSeed, Series AMostly follows a lead
Best routeA short note on LinkedInA warm intro from a founder they backed works better.

Polaris Partners writes $500K to $10M checks, larger than 71% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Polaris Partners.

Career

  1. Nixon Impeachment Inquiry Staff of the U.S. House Judiciary Committee
    1974-1976
  2. Watergate Special Prosecution Force
  3. Testa, Hurwitz and Thibeault · litigation associate
  4. Burr, Egan, Deleage & Co. · associate
    1984
  5. Burr, Egan, Deleage & Co. · General Partner
  6. Polaris Partners · Founding Partner
    Now
  7. Living Proof · chairman
    2005
  8. Living Proof · CEO
    2010-2011

Companies founded

Polaris PartnersLiving ProofMIT $10K Entrepreneurship Competition

Investments named in public bios

PowersoftAllaireAmerican SuperconductorAvici SystemsCentra SoftwareExchange.comEXOSJibJab MediaMariner Health CareSolidworksWatermarkSoho Natural Soda

Focus

venture capitalenterprise softwaretechnologybeauty products

Also at Polaris Partners

Partners like Jon

At firms with a similar stage, sector and check size.

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One email when Jon's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

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Questions

Who is Jon Flint?

Jon Flint is a founding partner at Polaris Partners. He has experience in venture capital, law, and government research, and co-founded the company Living Proof.

How much does Jon Flint invest?

Jon Flint invests through Polaris Partners, which writes checks of $500K to $10M at seed, series a.

How do I pitch Jon Flint?

A warm intro from a founder Polaris Partners backed works best. A short LinkedIn note with one line on traction is the next best route.

What did Jon Flint do before Polaris Partners?

Nixon Impeachment Inquiry Staff of the U.S. House Judiciary Committee; Watergate Special Prosecution Force; litigation associate at Testa, Hurwitz and Thibeault; associate at Burr, Egan, Deleage & Co.; General Partner at Burr, Egan, Deleage & Co.; chairman at Living Proof; CEO at Living Proof.

Last updated 2026-10-15. Is this you? Ask for a correction.