Chief United States Probation Officer Jeffrey Thomason was appointed on January 1, 2011, as the Chief Probation Officer for the District of Idaho. Chief Thomason is a 1985 graduate of Western Washington University, and holds a Masters of Science in Criminal Justice from the University of Alabama. He was appointed in the Western District of Washington as a United States Probation Officer in April 1993, and has held the ranks of Senior and Supervising United States Probation Officer.