Gregg teaches medical students enrolled in the Leadership in Community and Population Medicine course, collaborates with College faculty on research, and leads her own studies. Her research focuses on improving access to care and quality of care for underserved populations. Gregg earned her doctoral degree in Health Services Research, Administration, and Policy in 2017 and her Master in Public Health in 2011 from the University of Nebraska Medical Center. From 2016-2017, she was a Buffett Early Childhood Institute Graduate Scholar and she also has several years of experience as a public health practitioner in a local health department and social service agency.