Aileen Lee is a prominent venture capitalist and the founder of Cowboy Ventures, a firm that invests in early-stage technology companies. She is known for her expertise in identifying and nurturing startups, particularly in the fields of software and consumer technology. Lee has a background in both engineering and business, having earned her degree from MIT and an MBA from Stanford. In addition to her work at Cowboy Ventures, Aileen Lee is credited with coining the term "unicorn" to describe privately held startups valued at over $1 billion. This concept has gained significant traction in the tech industry, influencing how investors and entrepreneurs view high-growth companies.