Department of Medicine Leadership

The Department of Medicine at UNC is led by Chair Ronald Falk, MD and six Vice Chairs: 

Andrew Greganti, MD, Vice Chair; Lee Berkowitz, MD, Vice Chair for Education; Janet Hadar, Vice Chair for Clinical Integration; Linda Raftery, Vice Chair for Administration; Janet Rubin, MD, Vice Chair for Research; Bruce Wicks, Vice Chair for Administration


Ron Falk, MDRon Falk, MD

Nan and Hugh Cullman Eminent Professor
Chair, Department of Medicine
Director, UNC Kidney Center

Dr. Falk was appointed as Chair of the University of North Carolina Department of Medicine in July, 2015 after having served as Chief of the Division of Nephrology and Hypertension from July, 1993 through May, 2015.

Dr. Falk is recognized as an international expert in vasculitis and autoimmune kidney disease. His career as a translational physician-scientist spans more than three decades. His practice and translational research focus on characterizing the cell, tissue and physiologic changes in the development of specific autoimmune kidney diseases and developing new approaches for studying autoimmunity, inflammation and basic neutrophil/monocyte biology. After the discovery in 1988 by Dr. Falk and colleagues of myeloperoxidase anti-neutrophil cytoplasmic autoantibodies (MPO-ANCA), his laboratory has focused on clinical and translational science investigation of the immunogenesis, pathogenesis and response to treatment of ANCA vasculitis and other autoimmune kidney disease.

Dr. Falk is a highly respected scholar and mentor who has guided, for over three decades, young physicians, scientists, and physician-scientists to successful careers in academia and industry.

Dr. Falk has served in various capacities within the American Society of Nephrology, including numerous committees and ASN Council. He served as its president from 2011-12. A notable achievement during his term as president was the founding of the Kidney Health Initiative in 2012, which is a public/private partnership of American Society of Nephrology and the U.S. FDA. During his tenure as ASN President, the American Society of Nephrology Foundation for Kidney Research was established with a substantial endowment. He has also served or chaired on numerous study sections and special emphasis panels within the National Institutes of Health. Dr. Falk continues to receive funding in a P01 Program Project Grant, “ANCA Glomerulonephritis: From Molecules to Man,” UM1, “GDCN Clinical Center—Advancing Clinical Research in Primary Glomerular Diseases,” and a T32 Renal Epidemiology Training Grant.


Andrew Greganti, MDAndrew Greganti, MD

Charles Addison and Elizabeth Ann Sanders Distinguished Professor
Vice Chair, Department of Medicine 

Dr. M. Andrew Greganti is the Charles Addison and Elizabeth Ann Sanders Distinguished Professor of Medicine at the University of North Carolina School of Medicine, Chapel Hill. After growing-up in Merigold, Mississippi, he graduated from Millsaps College with a BS in chemistry and later received his medical degree from the University of Mississippi School of Medicine. He trained in internal medicine at the University of Rochester School of Medicine, Strong Memorial Hospital, Rochester, New York. After two years on the faculty of the University of Mississippi School of Medicine, he joined the faculty of the University of North Carolina School of Medicine, Chapel Hill, in the Division of General Medicine and Clinical Epidemiology in 1977 as an assistant professor. He has been Professor of Medicine since 1990. During his tenure at UNC, he has been the Director of the Internal Medicine Residency Training Program and the Medicine/Pediatrics Residency Training Program, and has served as the Chief of the Division of General Medicine and Clinical Epidemiology. In 1991 he became the Associate Chairman for Clinical Affairs and subsequently was appointed Interim Chairman of the Department of Medicine. He served for a second time as Interim Chairman from December 1, 2014, through May 31, 2015. His career focus is on the education of residents in internal medicine and fellows in geriatric medicine. He is a member of the Division of Geriatric Medicine where he maintains a very active clinical practice. His academic contributions include serving as co-editor of two editions of the internal medicine textbook, Netter's Internal Medicine.


Lee Berkowitz, MDLee Berkowitz, MD

Eunice Bernhard Distinguished Professor
Vice Chair for Education, Department of Medicine 

Dr. Lee R. Berkowitz is the Eunice Bernhard Distinguished Professor and Vice Chair of Education in the Department of Medicine. Dr. Berkowitz completed his MD degree at the Ohio State University College of Medicine followed by residency and chief residency in the Department of Medicine at the University of North Carolina at Chapel Hill. He then did fellowship training in hematology at Washington University and the University of North Carolina at Chapel Hill.  

Dr. Berkowitz’s academic career has centered on his role as residency program director at UNC, a position he held until 2014. He has also served as president of the Association of Program Directors in Internal Medicine, chair of the test writing committee of the American College of Physicians In-training examination, and chair of the American Board of Internal Medicine Council.


Janet HadarJanet Hadar, MSN, MBA, FACHE

Vice President of Operations, UNC Hospitals 
Vice Chair for Clinical Integration, Department of Medicine

Janet Hadar is Vice President of Operations at UNC Hospitals and Vice Chair of Clinical Integration with the Department of Medicine, a nationally recognized academic medical center serving the state of North Carolina and comprising 840 beds and approximately 9,000 employees. In this role, Ms. Hadar is responsible for administrative and strategic oversight of clinical and non-clinical programs, quality performance, and service-line development. She leads diverse health-care management operations and chairs several advisory boards and leadership committees. At UNC Hospitals, she has also served as Associate Vice President of Professional Services, and Director of Clinical Care Management.

During her thirteen years with the UNC Health Care System, Janet has been recognized for many accomplishments, including her leadership in the establishment of a new clinical care management department, spear-heading a system-wide pharmacy supply chain, production and distribution center, and establishing a physician advisory program to enhance efficiencies and revenue.

Prior to joining UNC Health Care, Janet began her career as an intensive care unit nurse at the University of Pennsylvania Medical Center and later as a nurse practitioner at the University of Wisconsin Medical Center. She has also worked in healthcare consulting. Janet received her bachelor’s degree in nursing from Villanova University, master’s degrees in nursing from the University of Pennsylvania and earned her MBA with a concentration on finance in marketing from Case Western Reserve University.


Janet Rubin, MD

Janet Rubin, MD

Professor of Medicine
Vice Chair for Research, Department of Medicine

Dr. Rubin became the new Vice-Chair for Research in the Department of Medicine in 2015. She brings over 30 years of experience in funded research, NIH and VA grant review and junior faculty development to this position. A longstanding interest in mentoring young investigators toward independent research careers has been critical to her new initiatives as Vice-Chair. These include the Physician-Scientist Development Pathway, the recruitment of new physician scientists to the DOM, outreach to the DOM’s many K-grant holders, and involvement in UNC’s successful MSTP program. Along with Alex Duncan, she developed and teaches the highly successful R-grant writing group.

Dr. Rubin’s NIH funded laboratory investigates how physical factors regulate mesenchymal stem cell differentiation. Recent findings include that the nuclear envelope is a mechano-sensory site, and that intranuclear actin regulates osteogenesis. These studies use cellular techniques as well as a running mouse model. 

Dr. Rubin practices endocrinology as a member of the Division of Endocrinology and Metabolism. She has adjunct appointments in Bioengineering, Pharmacology and Pediatrics. Dr. Rubin’s family is committed to UNC Medicine: her husband is a member of the Cardiology Division, her daughter is finishing MSTP training, and her son-in-law is a Med-Peds resident.


Linda RafteryLinda Raftery, BSN, MHA

Vice Chair for Administration, Department of Medicine

Ms. Raftery received her BSN and Masters in Healthcare Administration, both from Duke University. She has served in diverse roles across many facets of health care, both in community hospitals and academic medical centers. Five years of nursing, primarily in intensive care units provided a critical foundation and desire to support and provide leadership for the delivery of care.

As Business Manager of Hospital Information Systems and Director of Radiology and Cardiology at Rex Hospital, Ms. Raftery led the expansion of Radiology services, implemented centralized scheduling and imrproved financial performance.

Ms. Raftery’s early management at UNC was with UNC Physicians and Associates, focusing on charge capture, coding and editing systems to facilitate clean claim filing. In 2007, she joined the Department of Medicine as the Manager for Cardiology and the Carolina Cardiovascular Biology Center. Soon thereafter, the healthcare system launched the Center for Heart and Vascular Care to facilitate multi-disciplinary care to patients with cardiac and vascular disease. Ms. Raftery served as the Associate Chief for Administration for UNC Center for Heart and Vascular Care from 2009 through 2015.


Bruce WicksBruce A. Wicks, MHA, FACHE

Vice Chair for Administration, Department of Medicine
Assistant Dean for Carolina Value

Mr. Wicks received his BS in Biology from Cornell in 1973 and his Masters in Healthcare Administration from Duke in 1975. He has served for over 40 years in large academic and tertiary care centers both in hospital and academic group practice administration. Prior to coming to UNC, among other assignments, he has worked at the Geisinger Medical Center in both physician group practice and hospital administrative roles and at the University of Virginia as the Administrator of their Children’s Medical Center and as the Administrator of both the Departments of Pediatrics and of Obstetrics and Gynecology. 

His tenure at UNC began in 2005. Since then, he continues to fulfill the chief administrative officer role for the Department of Medicine and has served in several other capacities as well. Currently he is also functioning as the School’s Assistant Dean for Carolina Value – a multi-year project, in collaboration with the university and the UNC Health Care System, to achieve an annually recurring improvement in financial and operational performance for the School of Medicine through process and organizational redesign. Additionally, he also served as the Interim Associate Chair for the Department of Surgery for eight months while that department was recruiting a permanent replacement and for over a year as Interim Assistant Dean for Human Resources during that search process. Mr. Wicks also served for several years as the Senior Advisor to the Executive Dean.