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Stephen Patrick Chelko, Ph.D.

Photo of Dr. Stephen Patrick Chelko, Ph.D.
  • Assistant Professor of Medicine


Dr. Stephen Chelko is an assistant professor of medicine at the Johns Hopkins University School of Medicine. His research focuses on arrhythmogenic cardiomyopathy. Dr. Chelko serves as the co-coordinator of the Institute of CardioSciences at the Johns Hopkins School of Medicine.

His team is currently studying in vitro and in vivo models of arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) to show aberrant cell signaling mechanisms that bring about ARVD/C functional and pathological phenotypes.

Dr. Chelko received his B.S. in biology from Emory University. He earned his Ph.D. in physiology at the University of Georgia College of Veterinary Medicine. He completed a postdoctoral fellowship in cardiomyopathy/inherited heart disease at Johns Hopkins. Dr. Chelko joined the Johns Hopkins faculty in 2016.

He is a member of the Society for Redox Biology and Medicine, the Heart Rhythm Society, and the American Heart Association. His work was recognized with a Young Investigator Award from the Mid-Atlantic Capital Cardiology Symposium in 2017. more


  • Assistant Professor of Medicine

Departments / Divisions



  • Ph.D., University of Georgia (Georgia) (2011)
  • B.S., Emory University (Georgia) (2007)
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