Donald C. Hudson was born and raised in Chicago, Illinois. He received a bachelor’s degree from DePaul University and a Juris Doctorate degree from John Marshall Law School. Judge Hudson was appointed to the bench as an associate judge in 1993, and in 2000 he was elected to the position of circuit judge. In December 2004, Judge Hudson was elected to the position of Chief Judge of the Sixteenth Judicial Circuit, and he was reelected Chief Judge in 2006.
Judge Hudson has served on the Illinois State Bar Association’s Criminal Justice Section Council and has also served several terms as the Chairman of the Kane County Bar Association’s Criminal Law Committee. In January 2005, Judge Hudson was appointed by the Illinois Supreme Court to be the Chair of the Supreme Court's Statewide Committee on Criminal Law and Probation Administration. In 2006 and 2007, he was reappointed by the Supreme Court as Chair of that Committee. Judge Hudson has also served as a faculty member for the Illinois Education Conference. Judge Hudson was appointed to the Judicial Inquiry Board in April 2007 and was elected Chair of the Board in June 2008. In December 2008, Judge Hudson was appointed by the Illinois Supreme Court to be the Chair of a Special Supreme Court Committee whose mandate is to codify the law of evidence in the State of Illinois. In January 2009, the Illinois Supreme Court assigned Judge Hudson to the Appellate Court, Second District.