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Jennifer M. Kalish, MD, PhD

Jennifer M. Kalish

Dr. Kalish's research focuses on understanding the molecular and epigenetic mechanisms that contribute to the predisposition to cancer that is characteristic of pediatric patients with rare imprinted gene disorders, including the overgrowth disorder Beckwith-Wiedemann syndrome (BWS).


Lorraine L. Katz, MD

Lorraine L. Katz

Dr. Katz’s investigates the sequelae of obesity and type 2 diabetes mellitus in youth. Her research involves the intersection of sleep, obesity, and glucose intolerance and prevention of cardiovascular risk. Her studies have led to the evaluation of quantitative tools important for assessment of metabolic risk in youth.


Leslie S. Kersun, MD, MSCE, MSEd

Leslie S. Kersun

Dr. Kersun has a strong interest in trainee education and collaborates with colleagues at Children's Hospital of Philadelphia and other institutions to develop innovative methods of teaching various topics in oncology. She also engages in collaborative research related to the communication of difficult news to patients.