Chief Medical Officer
United Network For Organ Sharing (UNOS)

As Chief Medical Officer, Andrew Klein serves as an expert medical and clinical resource to UNOS, the donation and transplant community, government and the general public. Dr. Klein joined UNOS following a distinguished career of more than four decades in clinical, academic and research medicine, global public health, and leadership. Dr. Klein was the founding Director for both the Johns Hopkins Comprehensive Transplant Center and the Cedars-Sinai Comprehensive Transplant Center.

Dr. Klein earned a B.S. in zoology from Duke University, his M.D. and MBA from Johns Hopkins University, and completed fellowships at Harvard University and the David Geffen School of Medicine at UCLA. A recipient of the Johns Hopkins Clinician Scientist Award, Dr. Klein’s research interests have been supported by institutional, intramural, and industry funding. He has authored or co-authored more than 200 manuscripts and book chapters and has lectured extensively in North America, Asia, and Europe. Dr. Klein has played a leadership role in national policy making focused on organ donation, allocation, and transplantation. He is a skilled transplant surgeon whose pioneering contributions to the care of patients with liver disease were recognized in 2014 when the American Liver Foundation bestowed upon him the Healthcare Visionary Award.

Dr. Klein received his M.B.A. from the JHU Carey School of Business where he was honored with the inaugural Student of the Year Award. His keen interest in the relationship between civility and tangible benefits in healthcare has played a key role in the cultural transformation at Cedars-Sinai that emphasizes inclusivity, engagement, transparency and communication. Improving culture within the medical workplace through global outreach in underserved communities is a goal of the U.S. section of the International College of Surgeons, where Dr. Klein has served as President and Chair of the Board of Regents¬. His accomplishments in both medicine and business were recognized by Johns Hopkins, who bestowed upon him the Distinguished Alumnus Award in 2009 and inducted him into the Society of Scholars in 2021.