1960
Born to John David and Yvonne in Joliet, Illinois.
1982
Earns a Bachelor of Arts in biological sciences from the University Of Chicago.
1989
Interns at the Hospital of the University of Pennsylvania.
1986
Earns a Doctor of Medicine from Johns Hopkins School of Medicine.
1988
Marries Linda Elinor Skinner.
1988
Is a fellow in cardiology and cardiac electrophysiology at the University of Pennsylvania Hospital in Philadelphia until 1993.
1989
Holds a residency in internal medicine at the Hospital of the University of Pennsylvania.
1993
Is the director of the heart station and a clinical assistant professor medicine at the Philadelphia Heart Institute with the University of Pennsylvania.
1996
Teaches as an associate professor of medicine at the Hahnemann School of Medicine at Drexel University.
1998
Holds a fellowship in cardiovascular physiology at the Hospital of the University of Pennsylvania.
1998
Holds a fellowship in cardiology at the Hospital of the University of Pennsylvania.
1999
Becomes the co-director of the electrophysiology laboratory as well as an associate professor medicine at the University of Pennsylvania.
2003
Teaches as a professor of medicine at the University of Pennsylvania.
2003
Teaches as a professor of medicine at the Hospital of the University of Pennsylvania and the Presbyterian Medical Center of Philadelphia.
2003
Teaches as the associate director of electrophysiology at Penn Medicine: University of Pennsylvania Health System.
2007
Is recognized by America’s Top Doctors and receives further recognition in 2008, 2010, and 2012 to 2018.
2018
Receives an award for Innovation in Medicine from the University of Pennsylvania.
2019
Maintains membership with the American Board of Internal Medicine, National American College of Cardiology, and the American Heart Association, among other organizations.