James Clark is a prominent American computer scientist and entrepreneur, best known for co-founding the popular web browser company Netscape Communications Corporation. He played a significant role in the development of the internet during the 1990s, helping to popularize web browsing and online communication. In addition to his work with Netscape, James Clark has been involved in various technology ventures and investments. He co-founded MySpace and has contributed to several other startups, showcasing his influence in the tech industry. His contributions have had a lasting impact on how people access and interact with information online.