DocTalks Speaker Bios

Jordan Orange, MD, PhD

Jordan is the Reuben S. Carpentier Professor and Chairman of the Department of Pediatrics at Columbia University and the Physician-in-Chief at Morgan Stanley Children’s Hospital.  Previously, he was Professor, Vice Chair for Research, and Chief of Immunology/Allergy/Rheumatology at Baylor College of Medicine and Director of the Center for Human Immunobiology at Texas Children’s Hospital.  Before that he was the Jeffrey Modell Endowed Chair of Immunology Research at the Children's Hospital of Philadelphia (CHOP).  Jordan completed baccalaureate and MD/PhD degrees at Brown University, pediatric residency at CHOP, Allergy/Immunology/Rheumatology fellowship at Boston Children’s Hospital.  He was the recipient of the 2009 Judson Daland Prize from the American Philosophical Society, the 2017 E. Mead Johnson Award from the Society for Pediatric Research and the 2018 O’Donnell Prize in Medicine from the Texas Academy of Medicine, Engineering and Science. He is an elected member of the American Society for Clinical Investigation (2010), The American Pediatric Society (2016) and the National Academy of Medicine (2018). Jordan’s research focuses on the cell biology of intercellular immune interactions, the immunological synapse, novel causes of immune diseases and mechanistic insights gained from primary immunodeficiency. Jordan has been continuously funded by the NIH, and he has over 300 publications.


Christopher J. Petit, MD

Dr. Petit is the Welton M. Gersony Professor of Pediatrics at the Columbia University Vagelos College of Physicians and Surgeons.  As a clinical cardiologist, he performs interventional cardiac catheterization procedures on infants, children, and adults who have congenital heart disease.  Dr. Petit has trained 15 advanced fellows in interventional pediatric cardiology, and has been recognized with numerous teaching awards at the division and departmental level.

As a clinician scientist, Dr. Petit has been active in single-center and multicenter clinical research.  His recent academic focus includes treatment of pulmonary vein stenosis, cyanotic ductal-dependent congenital heart disease, as well as aortic valve stenosis.  Dr. Petit has been an active collaborator with the Pediatric Heart Network.  He served as the site PI for the FUEL trial, and is the study chair for the upcoming COMPASS trial.  Dr. Petit co-founded the Congenital Cardiac Research Collaborative, a multicenter cardiac registry and research collaborative, in 2015.  He has served as the President of the CCRC since its inception.  Dr. Petit believes that individual, interdisciplinary and institutional collaborations accelerate discoveries, which ultimately lead to better outcomes for children with congenital heart disease. 


Melissa Stockwell, MD, MPH

Melissa Stockwell, MD, MPH is the Chief of the Division of Child and Adolescent Health and a tenured Associate Professor of Pediatrics and Population and Family Health in the Department of Pediatrics at Columbia University’s College of Physicians and Surgeons and the Department of Population and Family Health at the Mailman School of Public Health. She is also the founding director of the Department of Pediatrics’ Center for Children’s Digital Health Research. She is Medical Director of the NewYork-Presbyterian Hospital Immunization Registry (EzVac) and Co-Director of the Columbia University Primary Care Clinician Research Fellowship in Community Health. Additionally, she is a pediatrician in a NewYork-Presbyterian Hospital-associated community clinic, and is Associate Director of the American Academy of Pediatrics (AAP) Pediatric Research in Office Settings (PROS) practice-based research network. 

Dr. Stockwell’s research program, which concentrates on underserved children and adolescents, focuses on translational interventions to improve vaccinations, with an emphasis on health technology and health literacy. Throughout her career, she has had continuous research support from the National Institutes of Health (NIH), Agency for Healthcare Research and Quality (AHRQ), Centers for Disease Control and Prevention (CDC), and Health Resources and Service Administration (HRSA) with over $22.8 million in total costs. She has been inducted into the American Pediatric Society, the oldest academic pediatric organization in North America.


Danielle Taylor, MD

Danielle Taylor, MD, received her Medical Degree from Albert Einstein College of Medicine. She completed her internship and residency in pediatrics at Long Island Jewish Hospital-Schneider Children’s Hospital and is Board Certified in Pediatrics.  Danielle began working at NewYork-Presbyterian Morgan Stanley Children’s Hospital in the Well-Baby Nursery, and she has been proudly caring for children and families at ColumbiaDoctors Westside location for over 12 years. Danielle enjoys all aspects of primary care pediatrics and has a special interest in pediatric integrative medicine.