Lauren Ashley Gabriel Betancourt, DO

Rukmalee Vithana is a pediatric cardiologist in Baltimore, Maryland. Dr. Vithana completed a residency in pediatrics at Children's National Hospital and a pediatric cardiology fellowship at Children's Hospital of Pittsburgh of UPMC. She earned her medical degree from the University of Arizona College of Medicine.

Charles Wiener oversees Johns Hopkins Medicine's international enterprises, developing sustainable, innovative collaborations that raise the standard of health care around the world and providing personalized care for diverse populations. Johns Hopkins Medicine International serves as the global ambassador of the Johns Hopkins Medicine mission, leveraging JHM's extensive knowledge base in medicine, nursing, public health, medical education, research and health care administration to deliver medicine across the globe.Dr. Wiener previously spent three years as Johns Hopkins Medicine International's vice president of academic affairs and vice president of Asia operations. In these roles, he led multiple global projects, including strategic planning, oversight of educational infrastructure planning and medical training. He focused on coordinating faculty involvement in advancing Johns Hopkins' growing international collaborations. Dr. Wiener is also a professor of medicine and physiology at the Johns Hopkins University School of Medicine and affiliated faculty of the Johns Hopkins Alex Grass Humanities Institute. He has earned recognition for his medical and academic leadership, including a Professors Teaching Award and a George Stuart Award for Clinical Teaching from the Johns Hopkins University School of Medicine.He served as chair of the committee that created the school of medicine's "Genes to Society" curriculum, and as director emeritus of the Osler Internal Medicine Training Program, the first U.S. medical residency program. From 2015 to 2019, he was the director of the medicine, science and the humanities undergraduate major at the Johns Hopkins Krieger School of Arts and Sciences. Dr. Wiener is also an associate editor of the American Journal of Medicine and has authored the last four editions of the Harrison's Principles of Internal Medicine Self-Assessment and Board Review.He received a bachelor's degree from Duke University and a medical degree from the University of Miami. He completed specialty training and his chief residency in internal medicine at the University of Washington in Seattle from 1982 to 1986. The following year, Dr. Wiener was an American Heart Association research fellow in the Hammersmith Hospital respiratory physiology unit in London. From 1987 to 1991, he was a fellow in pulmonary and critical care medicine at Johns Hopkins.