David Lyle joined ACS in June 2002. He previously worked as: a principal in a political consulting firm, an assistant to the president of the Teamsters union, a Clinton administration political appointee in the Department of Housing and Urban Development, Senior Counsel to Representative Don Johnson (D-GA), an associate in the Washington office of Arnold & Porter and a law clerk to Judge John C. Godbold of the U.S. Court of Appeals for the 11th Circuit. He graduated from the University of Georgia (1986) and the University of Chicago Law School (1990).