Dr. Marisa Couluris is a Professor at the University of South Florida (USF) Morsani College of Medicine and serves as the Division Chief of Pediatric Pulmonology at USF Health. She has practiced in Florida for more than 25 years, providing specialized care for pediatric patients with pulmonary conditions.

Dr. Couluris has a particular clinical and research interest in caring for children with cystic fibrosis. Since 2019, she has served as the Program Director of the USF Pediatric Cystic Fibrosis Core Center, where she leads a multidisciplinary team dedicated to advancing care, research, and support for patients and families living with cystic fibrosis.

Dr. Couluris has also been involved with the USF Newborn Screening (NBS) Cystic Fibrosis Program since its inception in 2007, serving in both leadership and clinical roles for the state of Florida.