Nominate a leader for the 2025 A100 by December 1, 2024.

Aileen Lee

Founder & Partner, Cowboy Ventures

Aileen Lee is founder and Managing Partner at Cowboy Ventures, a seed-stage focused fund that backs founders re-imagining life and work through technology, what they call “life 2.0”. Cowboy Ventures works with a wide range of startups from modern SaaS companies like Guild Education and Lightstep to new digital native brands like Brandless and Dollar Shave Club.

Prior to Cowboy, Aileen was a partner at Kleiner Perkins Caufield & Byers for over a decade, was founding CEO of digital media company RMG Networks and worked at Gap Inc in operating roles. She has degrees from MIT and Harvard Business School, is the happy mom of 3 and wife to a startup founder, and is an Aspen Institute Henry Crown Fellow and co-founder of the non-profit All Raise.