He is an american entrepreneur, investor, and software engineer. He was the chair of opsware, which is a software company he founded originally as Loud cloud. Andreeson was also the co-founder of Ning, which is a company that provides a platform for social-networking websites. He created a browser with a team. He also developed the Mosaic program as a college student. It later became the Netscape navigator when he co-founded his own company in 1994.