Leadership

Arthur A. Klein, MD

Arthur A. Klein, MD, a leader in health care management, serves as President of the Mount Sinai Health Network, Executive Vice President of Mount Sinai Hospital, and Executive Vice President of the Icahn School of Medicine at Mount Sinai. As President of the MSHN, Dr. Klein oversees Mount Sinai’s growing international and domestic network of more than 100 clinical relationships, including affiliated hospitals, nursing homes, physician group practices, ambulatory surgery, and urgent care facilities. Prior to this, Dr. Klein served as the Regional Executive Director of the Western Region of the North Shore-LIJ Health System, Senior Vice President for Pediatric Services of the North Shore-LIJ Health System, Chief of Staff of the Steven and Alexandra Cohen Children's Medical Center of New York, and the Philip Lanzkowsky Professor of Pediatrics Hofstra North Shore-LIJ Medical School. Dr. Klein is a fellow of the American Academy of Pediatrics and the American College of Cardiology and has written extensively on pediatric cardiology. He also serves, or has served, on a number of committees and boards, including the Board of The Sackler School of Medicine/Tel Aviv University; the Committee for Hispanic Children and Families, Inc.; the Committee on Health Professions of the American Hospital Association as the Chair; and the National Board of the Voluntary Hospital Association of America. A native of New York City, Dr. Klein received his undergraduate degree from the Massachusetts Institute of Technology and his medical degree from the State University of New York Downstate Medical Center.

Szabi Dorotovics, MD, MBA

Szabi Dorotovics, M.D. serves as Vice President for International Business Development at the Mount Sinai Health System and as President of Mount Sinai International, LLC. Dr. Dorotovics is a seasoned leader with more than 20 years of experience in strategic positioning, business development, and enterprise management in the global health care delivery arena. He has brought numerous projects to operational and financial success and continues to build a large, personal network of health care executives, corporate leaders, and top government officials in Europe, Latin America, China, and the Middle East. After graduating from Hungary’s Albert Szent-Gyorgyi Medical School in 1993, Dr. Dorotovics gained experience in emergency medicine as a practicing physician, subsequently holding a key business development position at Johnson & Johnson Hungary and establishing the FirstMedCenters private clinic in Budapest. Between 2001 and 2014, he served as Managing Director of Johns Hopkins Medicine International, where he secured and managed multiple international relationships. Since 2014, he has led Mount Sinai International LLC, the organization that was established as a part of the Mount Sinai Health System to provide strategic focus for international consulting, educational and clinical care collaborations, and oversight of institutional affiliations with foreign organizations.

Allan S. Stewart, MD

Allan S. Stewart, MD, is Medical Director for International Programs at the Mount Sinai Health Network. Dr. Stewart is the Director of Aortic Surgery and Co-Director of the Valve Center in the Department of Cardiothoracic Surgery at The Mount Sinai Hospital, and he also serves as Associate Professor in the Department of Cardiothoracic Surgery at the Icahn School of Medicine at Mount Sinai. In collaboration with our international team, Dr. Stewart will advance the Mount Sinai Health System’s vision to further strategic relationships with international organizations and help improve health care delivery globally with special emphasis on cardiovascular services and opportunities.

Jonathan Wetzel, MBA-H

As Director of Network Development and International Business Development, Jonathan Wetzel is responsible for managing active relationships and new partnerships. He plays a key role in Mount Sinai’s global expansion and the operational oversight of Mount Sinai International, LLC. Prior to this, he served as Associate Director of Network Development and International Business Development and Manager of Network Development, predominately focusing on strategic partnerships, acquisitions, and relationship management for the Mount Sinai Health Network. Before joining Mount Sinai, Mr. Wetzel served as  Project Manager, Western Region, for Northwell Health (formerly known as the North Shore-LIJ Health System), where he began his career as one of only four administrative fellows selected from graduate programs focused on health care administration. Mr. Wetzel holds an MBA in Health Care Management from Union Graduate College and a BA in Behavioral Neuroscience from Lehigh University.

Catherine Schaefer, JD, RN, BSN

Catherine earned a Bachelor of Science in Nursing from the University of Oklahoma and became a traveling nurse, working in intensive care units in different hospitals across the United States. After settling in New York City, she attended Brooklyn Law School, graduating with a curriculum focus in Health Law and Policy. Catherine began working at The Mount Sinai Hospital as a Clinical Risk Manager. She is currently the Director of Professional Practice, Patient Safety and Regulatory Affairs for The Mount Sinai Hospital Department of Nursing.

Tak W. Kwan, MD

A native of Macau, China, Tak W. Kwan, MD, is an active clinical researcher and international expert on minimally invasive approaches to coronary and valvular heart diseases. Dr. Kwan is the recipient of numerous grants, has authored or co-authored more than 120 peer-reviewed papers, and has presented findings in medical conferences worldwide. After graduating from Brooklyn College of the City University of New York with Honors in Chemistry, Dr. Kwan completed his medical training, including his cardiovascular fellowship, at the State University of New York Downstate Medical Center. Dr. Kwan was then recruited to the Downstate faculty in the Department of Cardiology, and within four years he was promoted to Co-Director of Cardiac Catheterization Laboratory and Associate Professor of Clinical Medicine. Later on, Dr. Kwan took the Directorship of Cardiac Catheterization Laboratory and Interventional Cardiology at The Brooklyn Hospital Center. In 2006, he was named Executive Chief of the Asian Services Center and Senior Associate Director of Cardiac Catheterization Laboratory and Interventional Cardiology at Beth Israel Medical Center. Presently, Dr. Kwan holds the appointment of Clinical Professor of Medicine at the Icahn School of Medicine at Mount Sinai and Medical Director of Mount Sinai International. He honors his cultural heritage by using his language, cultural, and clinical skills to care for the large population of Chinese immigrants in New York City.