Jillian graduated from the University of Michigan in 2006 with her Bachelor of Arts degree in Political Science. She later went on to attend Thomas M. Cooley Law School. In June 2010, Jillian was admitted into the Arizona State Bar. The following month, she became licensed to practice in the United States District Court for the District of Arizona. Jillian was also admitted to the State Bar of Michigan in 2011.
In her free time Jillian enjoys spending time with her family. She also enjoys sports, running, and hiking.