Dr. Lewin completed his MD at Keck School of Medicine at USC and is currently Chief of the Division of Cardiology at Seattle Children’s Hospital as well as co-author of Echocardiography in Congenital Heart Disease.

Dr. Libby is an author of numerous texts within the field of cardiology, including Braunwald's Heart Disease, 9th Edition. He is currently a professor at Harvard Medical School as well as Chief of Cardiovascular Medicine at Brigham & Women's Hospital.

Andrew Lichtman, MD, PhD is co-author of Basic Immunology, 4th Edition and a Professor in the Department of Pathology at Harvard Medical School and Brigham and Women’s Hospital in Boston.

Dr. Lieberman earned his MD from Albany Medical College and is a professor of orthopaedics at the Keck School of Medicine at USC, Los Angeles, as well as co-author of Surgery of the Hip.

Dr. Lilly earned his MD from Albany Medical College and is Chief of the Division of Cardiology at Brigham & Women’s/Faulkner Hospitals and a professor at Harvard Medical School. He is author of Braunwald's Heart Disease Review and Assessment.