Del Williams received his B.B.A. with honors in accounting from The University of Texas at Austin in 1983, and his J.D. with honors from UT School of Law in 1985. He was admitted to the State Bar of Texas in 1986 and became a certified public accountant in 1989.
In September 2004, Mr. Williams joined Perot Systems as vice president, general counsel, and secretary. He represented the company in various matters and served as special counsel to Hillwood, the real estate company founded by Ross Perot,