Craig Barrett is the retired CEO and chairman of semiconductor giant Intel Corp. He joined the company in 1974 after 10 years on the faculty of Stanford Engineering's Materials Science and Engineering Department, and ascended Intel's ranks to become its president in 1997. He was named CEO a year later, and by 2005 he was chairman, serving until mid 2009. Barrett is author of the textbook, Principles of Engineering Materials. Today, he is an advocate for improving education and a champion of technology as a path to higher social and economic standards worldwide. He earned his bachelor's degree, master's degree and PhD at Stanford.