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Debra K. Sullivan, Ph.D., RD

Debra Sullivan portrait
Department Chair, Dietetics and Nutrition

Professional Background

Debra Sullivan, Ph.D., RD, received both her undergraduate and master’s degrees in nutrition and medical dietetics from the University of Illinois at Chicago. She earned her doctorate in nutritional sciences from the University of Illinois Urbana-Champaign. Sullivan worked clinically as a registered dietitian while completing her doctorate and has more than 10 years experience as a clinical dietitian.



Sullivan is currently studying the measurement of dietary intake and behavior modification interventions in a variety of settings. Her early research focused on prevention of obesity in children as well as weight management in adults.

She continues her weight management investigations but has expanded to research to other areas. In addition, Sullivan is exploring how dietary intake influences the aging brain as well as pain management after surgery. Her research trials continue in all of these areas.