Marc Andreessen is a cofounder and general partner of the venture capital firm Andreessen Horowitz. He is an innovator and creator, one of the few to pioneer a software category used by more than a billion people and one of the few to establish multiple billion-dollar companies.

In summary:

• Andreessen runs influential Silicon Valley venture capital firm Andreessen Horowitz, whose successful bets include Instagram, Oculus VR and GitHub.
• His first claim to fame was cofounding web browser firm Netscape, which AOL bought in 1998 for $4.2 billion in stock.
• Andreessen’s biggest score was as a seed investor in Facebook.
• He also cofounded Loudcloud, which, renamed Opsware, sold to Hewlett-Packard for $1.6 billion in 2007.
• In June 2018, a16z raised $300 million for its first crypto-focused fund, led by the firm’s first female general partner, Katie Haun.