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Aileen Lee

Aileen Lee

Founder & Managing Partner atCowboy VenturesFirm active Oct 13Palo Alto
LinkedIn X Full bioFirm profile

Aileen Lee is the founder of Cowboy Ventures, a seed-stage venture firm. She previously spent over a decade at Kleiner Perkins Caufield & Byers and has held operating roles at Gap Inc. and Morgan Stanley.

What Aileen can write

Writes checks of$500K to $10M
Comes in atPre-seed, SeedCan lead the round
Ownership target10-12%, > 12%At first check
Email the firm[email protected]The firm's own inbox for founders.

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

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

Career

  1. Morgan Stanley
  2. Gap Inc.
  3. Kleiner Perkins Caufield & Byers
  4. RMG Networks · founding CEO
  5. Cowboy Ventures · Founder & Managing Partner
    Now
  6. Morgan Stanley
  7. Gap Inc.
  8. Kleiner Perkins Caufield & Byers

Companies founded

Cowboy VenturesAll Raise

Investments named in public bios

Bloom EnergyRent the RunwayTrendyol

Focus

enterpriseconsumerseed stage

Education

MITHBSMHS (Millburn High, in NJ)Millburn High

Before you pitch

Cowboy Ventures does not invest inBiotech

Also at Cowboy Ventures

Ted Wang
Ted WangBoard Partner
Caroline DuffyPartner
Rohan PuranikPrincipal

Partners like Aileen

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

Alex Gurevich
Alex GurevichManaging Director, Javelin Venture Partners
Alex Colville
Alex ColvilleCo-Founder and General Partner, The Longevity Fund
Ramy Adeeb
Ramy AdeebManaging Partner, 1984 Ventures
Julian ShapiroFounder, Julian Capital
Elizabeth WeilFounder & Partner, Scribble Ventures
Alex BondarInvestor, Acre Venture Partners

Alert me when Cowboy Ventures is active

One email when Aileen'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 Aileen Lee?

Aileen Lee is the founder of Cowboy Ventures, a seed-stage venture firm. She previously spent over a decade at Kleiner Perkins Caufield & Byers and has held operating roles at Gap Inc. and Morgan Stanley.

How much does Aileen Lee invest?

Aileen Lee invests through Cowboy Ventures, which writes checks of $500K to $10M at pre-seed, seed.

How do I pitch Aileen Lee?

Email [email protected], the firm's inbox for founders, and name Aileen in the subject. A warm intro from a founder Cowboy Ventures backed works better.

What did Aileen Lee do before Cowboy Ventures?

Morgan Stanley; Gap Inc.; Kleiner Perkins Caufield & Byers; founding CEO at RMG Networks; Morgan Stanley; Gap Inc.; Kleiner Perkins Caufield & Byers.

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