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.

Articles by Aileen Lee

Build Alignment Before You Burn Out

Everything Feels Urgent At early-stage companies, everything feels urgent: shipping product, closing customers, raising money. In that environment, planning can feel like a luxury, or even a liability. In my...

Colin Belyea - How To Use Reddit To Scale Organic Growth For Your Startup.

How To Use Reddit To Scale Organic Growth For Your Startup

In this Mucker Growth Series session, Colin Belyea, founder of Karmic and an expert in Reddit organic growth, breaks down how Reddit has become one of the most influential discovery...

Sales Comp Kick Start: Keys to Getting It Right as You Begin to Build Your Sales Team

Webinar Recap featuring Donya Rose, Managing Principal from The Cygnal Group Sales compensation is one of the most critical aspects of building a successful sales organization. Many early-stage founders stumble...

Austin Tech Week 2025 Recap

Mucker Capital hosted two powerful days of programming during Austin Tech Week, bringing together founders, operators, and growth leaders to share real-world insights from the startup trenches. Across four sessions,...

LA Tech Week 2025 Day 3 Recap: AI Search – Wednesday Oct 15

After two packed days exploring AI startup building and go-to-market growth, Day 3 of LA Tech Week shifted focus to the evolving world of AI Search, how new AI technologies...

LA Tech Week 2025 Day 2 Recap: Startup Growth – Tuesday Oct 14

After a packed AI Building Day, we continued LA Tech Week with Startup Growth Day, a full schedule of sessions focused on go-to-market strategy, founder journeys, and scaling startups in...

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