Alfred James Clark (December 2, 1927 – March 20, 2015) was an American engineer, businessman and philanthropist. He was Chairman and CEO of Clark Enterprises, Inc., headquartered in Bethesda, Maryland. The companys largest subsidiary is Clark Construction Group, LLC, one of the United States' largest construction companies, founded in 1906 as the George Hyman Construction Company. Clark was born on December 2, 1927, in Richmond, Virginia, U.S.A., the son of a life insurance salesman father. He grew up in Bethesda, Maryland. Clark was a 1950 graduate of the University of Maryland, College Park, where he was a member of Phi Delta Theta.