Dr. Dayton is Associate Professor of Clinical Pediatrics in the Division of Pediatric Cardiology at Weill Cornell Medical College and Associate Attending Pediatrician at New-York Presbyterian Hospital/Weill Cornell Medical Center. He is board certified in Pediatrics and Pediatric Cardiology. His expertise includes caring for children with a wide variety of congenital heart disease, including those diagnosed prenatally by a fetal echocardiogram.

An expert in pediatric heart disease, Dr. Dayton's clinical responsibilities include coverage of the pediatric echocardiography laboratory where he focuses on fetal, transthoracic, and transesophageal echocardiography. As a member of the Perinatal Center team, he works closely with the Divisions of Newborn Medicine and Maternal-Fetal Medicine to help coordinate the care of infants diagnosed with congenital heart disease.

Dr. Dayton completed his undergraduate studies at Cornell University, where he graduated magna cum laude. He received a Bachelor of Science degree in General Biological Sciences with a distinction in research. He earned his medical degree from the State University of New York at Buffalo School of Medicine, where he received a Dean's Letter of Commendation in 2002. After completing his residency in pediatrics at the Emory University School of Medicine in Atlanta, Georgia, Dr. Dayton continued his training with a clinical fellowship in Pediatric Cardiology at the combined program of Columbia University Medical Center and Weill Cornell Medical College at NewYork-Presbyterian Hospital.

Dr. Dayton has presented his research nationally, including his project on post-transplant lymphoproliferative disorder in pediatric heart transplant recipients.