Aileen Lee
Founder, Cowboy Ventures
Aileen has many years of experience helping start ups build products customers love, and helping companies scale, both as an investor and operator.
Prior to Cowboy, she joined the venture firm Kleiner Perkins Caufield & Byers in 1999. At KPCB she worked hands-on with a range of consumer, enterprise, media and greentech companies including Bloom Energy, Blue Nile (NILE), Good Technology (acquired by MOT), One Kings Lane, Plum District, Rent the Runway, Shopkick, Tellme (acquired by MSFT), and Trendyol. During that time she was also founding CEO of RMG Networks (RMGN), the leading digital out-of-home media company, backed by KPCB. Aileen has also held operating roles at Gap Inc., The North Face and Odwalla and started her career at Morgan Stanley.
She has degrees from MIT, Harvard Business School, and Millburn High School; and she’s the proud mom of 3 kids plus a dog, chickens and bees, and the wife of a series A stage co-founder/CTO.
Content & Articles by Aileen Lee
Setting Up A Founder-Led Organic LinkedIn Content Machine With Claude
In this Mucker Growth Series session, we invited Jonathan Martinez, founder and CEO of GrowthPair, to share how founder-led LinkedIn content took his startup from zero to $1M in annual...
Lessons From Building An AI-Native Startup with Octagos
In this Mucker Growth Series session, we invited friends from one of our portfolio companies Haley Chute, CPO & CMO, and Harpreet Marwaha, COO & CFO of Octagos, to share...
How To Craft Your Website Messaging & Positioning as a Startup
In this Mucker Growth Series session, Anthony Pierri, co-founder of FletchPMM, walks through how to craft website messaging and positioning as a startup. FletchPMM is a consultancy that has worked...
2026 New York Tech Week Recap of Mucker Sessions
Mucker Capital went to New York Tech Week to host sessions for founders, operators, and builders thinking through how AI is changing product, growth, and search. Among the sessions were:...
Closing Enterprise Deals in Founder-Led Sales as a Startup
In our recent Mucker Growth Series session, I invited David Mackay, Managing Director at D9Y and one of our operating experts at Mucker, to talk about closing enterprise deals in...
The 10 Security Gaps That Plague Startups Before Their A Round
A NOTE ON SEVERITY Not every item on this list carries the same level of risk. Some are the kind of finding that stops a deal. Others are serious but...