Thomas Penfield Jackson was a U.S. District Judge of the U.S. District Court for the District of Columbia since his appointment in 1982 by President Ronald Reagan. He retired as a District Court Judge in August, 2004 and returned to Jackson & Campbell as Counsel. Mr. Jackson presided over the Microsoft antitrust case and also heard the drug trial of former District of Columbia Mayor Marion Barry, the public disclosure case over former Senator Packwood’s diaries, and the case involving the constitutionality of the presidential line-item veto. Prior to accepting his judgeship, he was a partner at Jackson & Campbell, where he specialized in defending physicians and hospitals in malpractice suits.

Mr. Jackson attended St. Albans School and Bethesda Chevy Chase High School. He received his A.B. in government from Dartmouth College in 1958 and an LL.B. from Harvard in 1964. From 1958 to 1961, he served in the U.S. Navy aboard a destroyer as a line officer. He is a member of the American Bar Association; the District of Columbia Bar Association (president, 1982-1983); vestryman at All Saints’ Episcopal Church in Chevy Chase, Md. (1969-1975); trustee at Gallaudet University; fellow of the American College Trial Lawyers; the Rotary Club; and president of the local Dartmouth College alumni group. He is also a member of the Chevy Chase and Metropolitan Clubs. He was appointed to the St. Mary’s College of Maryland Board of Trustees in 2001.

Mr. Jackson enjoys reading, sailing, browsing local art galleries, listening to classical music, and watching football and baseball. He and his wife, Patricia, have homes in Washington, D.C. and Compton, Maryland. He has two adult daughters – Leila J. Kochis and Sarah J. Jackson-Han.