Mike Dillon worked for Sun twice. He joined the company in 1993 as an attorney supporting the micro-electronics business. During the next six years, he moved to other parts of the company that supported software, Java, and the Sun-Netscape-AOL business. In 1999, he left to become general counsel of ONI Systems. In 2002, he was recruited back and in 2004 became Sun’s general counsel, a role he maintained until the sale to Oracle.