Mode VC

Mark Walsh

Founder / Managing Director atRuxton VenturesWashington, D.C.
Ruxton Ventures websiteFirm profile

Mark Walsh is an angel and venture investor through Ruxton Ventures, LLC. He previously led FactSquared, which he sold to FiscalNote, and held roles at the U.S. Small Business Administration, VerticalNet, GE, AOL, and HBO.

What Mark can write

Writes checks of$100K to $500K
Comes in atSeedCan lead the round
Ownership target< 5%At first check
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Ruxton Ventures writes $100K to $500K checks, larger than 5% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Ruxton Ventures.

Career

  1. Democratic Party · first CTO
  2. John Kerry presidential campaign · ran internet ops
  3. Air America Radio · founding CEO
  4. Revolution, Inc. · venture partner
  5. FactSquared · ceo
  6. Ruxton Ventures, LLC · Founder / Managing Director
    Now
  7. Democratic Party · CTO
  8. Air America Radio · CEO

Companies founded

Ruxton Ventures, LLCAir America RadioRuxton Ventures

Investments named in public bios

BlackboardSpectrum K12 Advisorsthestreet.comHalf.comDay.comTransactis.comGoCanvas.comHomesnap.comTheNewsProject.com

Focus

technologysoftwarecontentservices

Education

Union College, BAHarvard, MBA

Also at Ruxton Ventures

Jonathan AbermanPartner

Partners like Mark

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

Petra Stuhmeier GriffithManaging Director, Wedbush Ventures
John NordinGeneral Partner, Analog Ventures
Arvind PurushothamCiti Ventures
Akira KurabayashiManaging Partner / Head of Japan, DNX Ventures
Jennifer Byrne
Jennifer ByrneGeneral Partner, Grit Capital Partners
Benjamin BlueweissVice President, Nasdaq Ventures

Alert me when Ruxton Ventures is active

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

Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

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Questions

Who is Mark Walsh?

Mark Walsh is an angel and venture investor through Ruxton Ventures, LLC. He previously led FactSquared, which he sold to FiscalNote, and held roles at the U.S. Small Business Administration, VerticalNet, GE, AOL, and HBO.

How much does Mark Walsh invest?

Mark Walsh invests through Ruxton Ventures, which writes checks of $100K to $500K at seed.

How do I pitch Mark Walsh?

A warm intro from a founder Ruxton Ventures backed works best.

What did Mark Walsh do before Ruxton Ventures?

first CTO at Democratic Party; ran internet ops at John Kerry presidential campaign; founding CEO at Air America Radio; venture partner at Revolution, Inc.; ceo at FactSquared; CTO at Democratic Party; CEO at Air America Radio.

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