The University of Florida
Master of Science-Dietetic Internship Program



Dr. Mary H. Wagner, MD

Dr. Mary H. Wagner, MD PhotoMary H. Wagner, MD is the Director of the Pediatric Sleep Program at UF and Shands Sleep Disorders Center at Magnolia Parke and an Associate Professor of Pediatrics in the Pediatric Pulmonary Division at the University of Florida. She is board certified in Sleep Medicine, Pediatric Pulmonology and Pediatrics. Dr. Wagner also serves as the Director of Pediatric Pulmonary Center Training Grant and Co-director of the UF Sleep Medicine Fellowship. Dr. Wagner received her MD degree from UF and completed postgraduate training in Pediatrics and Pediatric Pulmonology at UF. Before joining the faculty at UF she was an Assistant Professor of Pediatrics at the Johns Hopkins Hospital in Baltimore, MD.

Dr. Wagner evaluates and treats children with a wide range of sleep disorders including obstructive sleep apnea, periodic limb movements, parasomnias, narcolepsy, and circadian rhythm disorders. She brings over 20 years of experience to seeing patients in the Pediatric Sleep Clinic at Magnolia Parke. The Pediatric Sleep Disorders Clinic helps these patients by using a multidisciplinary approach including nutrition, social work, respiratory therapy, nursing and clinical psychology. Her research interests include the role of plasma orexin to BMI; resting energy expenditure; early-onset obesity; interventions for childhood obesity; and sleep issues related to Prader Willi Syndrome.

Ellen K. Bowser, MS, RD, L/D, RN

Ellen Bowser, Ms, Rd, L/D, RN PhotoEllen Bowser is a registered dietitian and registered nurse. She received her MS in Food Science and Human Nutrition from the University of Florida in 1989. She was a long-term nutrition trainee with the UF Pediatric Pulmonary Center (PPC) in 1988. She has worked as the Faculty Nutritionist with the UF PPC since 1990. Ellen’s primary role at the PPC is the training students and interns (dietetics and other health professionals), the provision of continuing education and research. Her areas of interest include nutrition for children with cystic fibrosis, bronchopulmonary dysplasia and asthma. She also is an Evidence Analyst for the Academy of Nutrition and Dietetics’ Evidence Analysis Project and has worked on several projects including Gestational Diabetes Mellitus and Chronic Obstructive Pulmonary Disease. She is active in the Pediatric Nutrition Practice Group of the Academy of Nutrition and Dietetics and was awarded “Outstanding Member of Year” by that professional organization in 2005.

Michelle L. Gumz, Ph.D

Dr. Michelle L. Gumz, Ph.D PhotoMichelle L. Gumz, PhD, received her PhD from the University of Florida, where she was the first to identify the circadian clock gene Period 1 as an aldosterone target. She has subsequently shown that Period 1 regulates transcription of alpha ENaC, the aldosterone-regulated and rate-limiting subunit of the epithelial sodium channel. She is interested in the clinical implications of circadian rhythms in human health, particularly kidney function. Her laboratory is investigating the role of the circadian clock in the kidney with a focus on the regulation of sodium transport in the kidney, which is critical to the control of blood pressure as well as to overall cardiovascular health. Her laboratory continues to identify novel Period 1 targets and determine how these targets contribute to the regulation of sodium transport in the kidney.