Achievements: As senior vice president of Internet technology and architecture at MCI WorldCom, Cerf made his mark on the tech industry by co-creating TCP/IP -- the computer language of the Internet. Cerf is also credited as the one who managed to break through the policy barriers that kept the Internet a government-based network and opened it up to commercial use, after he created one of the first commercial email products. Cerf went on to collaborate with NASA on technology to get the Internet into outer space as a way to deploy and man space vehicles from earth.
Today: Founder and President of the Internet Society in 1992, an international non-profit dedicated to the open development and evolution of the Internet, Cerf remained president until 2002. Since the mid-90's, Cerf has been a board member or upper-level executive to six Internet architecture companies as well as being a distinguished visiting scientist at the Jet Propulsion Lab, a government defense and space agency. He now is the Chief Internet Evangelist at Google, a position he's held since 2005.