In July 2016, he was appointed by Chief Justice Roberts as the chair of the executive committee of the Judicial Conference of the United States.
[3] He was a New Hampshire Assistant Attorney General from 1979 to 1984,[1] and was counsel to United States Senator Warren Rudman from 1984 to 1986.
After a brief stint in private practice in Concord, New Hampshire, he served as Deputy Chief Counsel to the United States Senate investigative Committee on Secret Military Assistance to Iran and the Nicaraguan Opposition, during the Iran-Contra affair in 1987.
More recently, in March 2008, Barbadoro was brought in from New Hampshire as a visiting judge to handle the case of former governor of Puerto Rico Aníbal Acevedo Vilá.
[2] The Conference meets twice a year to consider administrative and policy issues affecting the court system, and to make recommendations to Congress concerning legislation involving the Judicial Branch.