John O. Colvin

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John O. Colvin (born November 17, 1946 in Canton, Ohio) is a Judge of the United States Tax Court.

Colvin received an A.B. from the University of Missouri in 1968, and completed a J.D. there in 1971. He earned an LL.M. in Taxation from the Georgetown University Law Center in 1978. During college and law school he was employed by a private firm, Niedner, Niedner, Nack and Bodeux, of St. Charles, Missouri, and also worked for a number of political figures, including Missouri Attorney General John C. Danforth and Missouri State Representative Richard C. Marshall, both in Jefferson City; and for U.S. Senator Mark O. Hatfield and Congressman Thomas B. Curtis, in Washington, DC.

From 1975-84, Colvin served as Tax Counsel to Senator Bob Packwood, and thereafter was Counsel to the U.S. Senate Finance Committee for several years, and also served as an Adjunct Professor of Law, Georgetown University Law Center, beginning in 1987.

Colvin was appointed by President Ronald Reagan as Judge, United States Tax Court, on September 1, 1988, for a term ending August 31, 2003. He was reappointed by President George W. Bush on August 12, 2004, for a term ending August 11, 2019. Colvin was elected Chief Judge of the U.S. Tax Court, effective June 1, 2006, and reelected effective June 1, 2008, and June 1, 2010. He also served as interim Chief Judge from March 8 through August 6, 2013.


  • Admitted to practice law in Missouri, 1971, and District of Columbia, 1974.
  • Office of the Chief Counsel, United States Coast Guard, Washington, D.C., 1971-75.
  • Officer, Tax Section, Federal Bar Association, since 1978.


Material on this page was copied from the website of the United States Tax Court, which is published by a United States government agency, and is therefore in the public domain.