Jane Marissa Shannon, APRN

Dr. Jordan Halsey holds an undergraduate degree in biochemistry from Lee University. She graduated with high honors from the University of Tennessee College of Medicine, receiving a doctorate of medicine. She completed a residency in integrated plastic surgery at Rutgers-New Jersey Medical School, then subsequently completed an additional fellowship in pediatric plastic and craniofacial surgery at Nationwide Children Hospital-Ohio State University.She joined the Johns Hopkins faculty in 2021 as a pediatric craniofacial surgeon in the Johns Hopkins All Children’s Hospital Division of Pediatric Plastic Surgery. Dr. Halsey has served the community in many volunteer and mentorship roles and is a recipient of many awards. She is active in clinical research and has a passion for medical missions.

Dr. Harrington specializes in pediatric surgery at Johns Hopkins All Children’s Hospital. She sees patients at the hospital’s main campus in St. Petersburg, Florida, and at Tampa General Hospital and HCA Florida Brandon Hospital as part of a collaboration with Johns Hopkins All Children’s. She joined the hospital staff in 2023.She earned her medical degree from New York University Grossman School of Medicine in New York. She completed a surgery residency and served as chief resident at Yale New Haven Hospital in Connecticut. She then completed a surgical critical care fellowship and research fellowship at Boston Children’s Hospital, followed by a pediatric surgery fellowship at Rady Children’s Hospital-San Diego.Dr. Harrington’s research interests include nutrition and growth outcomes, and clinical interests include intestinal rehabilitation.

Colleen Chambers, MSN, APRN, CPNP-PC, is a nurse practitioner in the endocrinology and diabetes program at Johns Hopkins All Children’s. She joined the hospital staff in 2022. Colleen has worked as a registered nurse several children’s hospitals including Cleveland Clinic Children’s, UH Rainbow Babies and Children’s Hospital, and UPMC Children’s Hospital of Pittsburgh. She has also worked as a registered nurse and camp counselor at Camp Ho Mita Koda in Newbury, Ohio, the oldest camp serving children with diabetes. Colleen has also worked with Beyond Type 1 on their DKA Warning Signs Awareness Campaign since 2019. She earned her Master of Science in Nursing from Kent State University in Kent, Ohio. She is currently enrolled in the Doctorate of Nursing Practice program at University of Pittsburgh.