Marelet began her career at UIC in 1992 in the Office of Admissions and Records. Over her 20 years at UIC, her positions have ranged from student affairs, academic affairs, and research administration, she is currently the Assistant to the Vice Chancellor for Research. She has served on numerous committees across the UIC campus. Marelet was selected to serve as the Academic Professional Representative for the University of Illinois Presidential Search Committee in 2009-2010. She is a two-time graduate of the UIC, having received her Master of Education degree in 1996 and her Bachelor of Arts degree in 1990.