Dr. Calhoun, PhD MEd, is currently the Assistant Vice Chancellor for Population Health Sciences, Office of the Vice Chancellor for Health Affairs for the University of Illinois Chicago and in previous role as the Associate Director of Population Sciences at the University of Arizona Cancer Center. In addition, she is the past Executive Director for the Center for Population Science and Discovery. She was the Director of the Center of Excellence in Eliminating Disparities funded by NIMHD and the Co-Director for the Center for Population Health and Health Disparities funded by NCI at the University of Illinois at Chicago. In addition, she was the principal investigator of an NCI-funded study to test the efficacy of a patient navigation program on improving compliance with cancer care in the largest network of federally qualified health centers in the country. She is an experienced health services researcher with expertise in health disparities. She was a member of the Commission on Cancer standards committee that requires community assessment and patient navigation services for accreditation. She has lead the Illinois training for navigators and certified application counselors and evaluation for the implementation of the Affordable Care Act (ACA) in Illinois from 2013-2016.  She also was an editor of a book entitled Patient Navigation- Overcoming Barriers to Care, which offers a practical guide to creating, implementing and evaluating successful programs.