William H. Draper III is an American venture capitalist and entrepreneur known for his work in the technology and investment sectors. He has been involved with several successful startups and has served on the boards of various companies. Draper is also recognized for his role in promoting innovation and entrepreneurship in the United States. In addition to his business ventures, Draper is the son of William H. Draper Jr., a prominent venture capitalist. He has been associated with Draper Fisher Jurvetson, a well-known venture capital firm, and has contributed to the growth of the Silicon Valley ecosystem through his investments and mentorship.