Anthony Allen Williams (born July 28, 1951) is an American politician who served as the fifth mayor of the District of Columbia for two terms, from 1999 to 2007. He had previously served as chief financial officer for the District, managing to balance the budget and achieve a surplus within two years of appointment. He held a variety of executive posts in cities and states around the country prior to his service in the D.C. government. Since 2012, he has served as Chief Executive Officer/Executive Director of the Federal City Council.