Judge Alexander Williams, Jr. was nominated by President Bill Clinton to serve on the United States District Court for the District of Maryland. Following his confirmation by the United States Senate, Judge Williams served as a federal judge from September 2, 1994 to January 3, 2014.

Prior to his appointment to the federal bench, Judge Williams was Chairman of the Washington Suburban Sanitary Commission, and also served two terms from 1987 to 1994 as the elected State's Attorney for Prince George's County, Maryland. Judge Williams is also the Founder and Chief Executive Officer of the Judge Alexander Williams, Jr., Center for Education, Justice, and Ethics, Inc.

Judge Williams is a native of Washington, D.C. and has practiced law in both the State of Maryland and the District of Columbia. Judge Williams presently teaches at the Howard University School of Law. He has served the public in various capacities throughout Maryland and the Washington Metropolitan area.

Judge Williams is a graduate of Howard University, where he earned a B.A. in Government; a M.A.R.S. (Master of Arts in Religious Studies); and a J.D. (cum laude). He also graduated from Temple University where he earned an M.A. in Religion/Ethics.