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Edward Buckley, MD, is Vice President for Duke-NUS Affairs. He is also Vice Dean for Education at the Duke University School of Medicine, a role he has served in since 2008, and Chair of the Department of Ophthalmology.

As Vice Chancellor for Duke-NUS Affairs, he has been involved with the development of the Duke-National University of Singapore Medical School (Duke-NUS) education program since 2001 and currently co-chairs the Duke-NUS Academic Committee.  As Vice Dean for Education, Buckley provides administrative oversight for all of the education and degree granting programs for the School of Medicine. These include all aspects of the medical student program, Physicians Assistant Program, Doctor of Physical Therapy, Pathology Assistant Program, Clinical Research Masters degree and the Clinical Leadership Masters degree. He is also responsible for the Office of Curriculum, Financial Aid, Registrar, Admissions, Library, and the Medical School Appointments, Promotion, and Tenure process. 

Buckley is the James P. and Heather Gills Professor of Ophthalmology and the director of the pediatric ophthalmology fellowship program at Duke. He is a renowned expert in pediatric ophthalmology and strabismus and has trained over 45 clinical and 10 research fellows.

Buckley has served as president of the American Association of Pediatric Ophthalmology  and Strabismus (AAPOS), chair of the American Board of Ophthalmology, chair of the Section of Ophthalmology of the American Academy of Pediatrics, president of the American Orthoptic Society, and is the current editor-in-chief of the Journal of AAPOS. He has received the Life Time Achievement Award from the American Academy of Ophthalmology (AAO) and AAPOS.

Buckley received his undergraduate degree in electrical engineering and his medical degree from Duke University. He completed an internship in medicine and a residency in ophthalmology at Duke before performing a two-year fellowship in pediatric ophthalmology and neuro-ophthalmology at the University of Miami’s Bascom Palmer Eye Institute. He returned to Duke in 1983 as assistant professor in the Department of Ophthalmology.

Dexter Nolley, MEd, SPHR, is Interim Chief Human Resources Officer of Duke Raleigh Hospital.Nolley has more than 20 years of experience in human resources, including employee relations, mediation, performance management, team building, and training and development. He joined Duke Staff and Labor Relations in 2000 and most recently was Divisional Chief Human Resources Officer for Duke Primary Care.Nolley holds a bachelor of arts degree in communication from Mercer University and a master of education in counseling degree from Georgia Southern University; he is also a member of the Society for Human Resources Management.

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A nationally recognized leader in academic medicine, Mary E. Klotman, MD, is executive vice president for health affairs at Duke University, dean of the Duke University School of Medicine, and chief academic officer for Duke Health.

Klotman was appointed as Duke’s first executive vice president for health affairs in June 2023 and assumed her new role on July 1, 2023. She was named dean of the School of Medicine in January 2017 and was appointed to a second five-year term in 2022. Prior to her appointment as dean, Klotman served with distinction as chair of the Department of Medicine in the Duke University School of Medicine for seven years.

Klotman earned her undergraduate and medical degrees from Duke University. She completed her internal medicine residency and a fellowship in Infectious Diseases in the Department of Medicine at Duke before joining the faculty as assistant professor of medicine. She joined the National Institutes of Health in 1991, where she was a member of the Public Health Service and trained and worked in the Laboratory of Tumor Cell Biology under the direction of Robert C. Gallo, MD.

Before returning to Duke in 2010, Klotman joined Mount Sinai School of Medicine where she was the Irene and Dr. Arthur M. Fishberg Professor of Medicine and served as chief of the Division of Infectious Diseases for 13 years. She was also co-director of Mount Sinai’s Global Health and Emerging Pathogens Institute, a program designed to translate basic science discoveries into clinical therapeutics for newly emerging and re-emerging infectious diseases. 

A pioneering physician-scientist, Klotman’s research interests are focused on the molecular pathogenesis of Human Immunodeficiency Virus 1 (HIV-1) infection. Among many important contributions to this field, Klotman and her team demonstrated that HIV resides in and evolves separately in kidney cells, a critical step in HIV-associated kidney disease. Most recently, her group has been defining the role of integrase-defective lentiviral vectors for the delivery of an HIV vaccine.

Klotman is a councilor of the Association of American Physicians and past president of the Association of Professors of Medicine. She was elected to membership in the Academy of Medicine in 2014. Klotman is a former president of the Duke Medical Alumni Association and received a Duke University School of Medicine Distinguished Alumni Award in 2015.

Leigh Bleecker, MBA, MHA, is the Assistant Vice President for Finance and Chief Financial Officer for Duke Raleigh Hospital, a Campus of Duke University Hospital and Duke Regional Hospital. She has been a part of the Duke Health Finance team since 2002. Leigh has also had the privilege of serving as Interim President of Duke Raleigh Hospital on two occasions.

Prior to joining Duke Health, Bleecker worked as a financial consultant with OSI Systems in Atlanta, Georgia.  She is a native of North Carolina, originally from Fayetteville.

She received her bachelor’s degree in chemistry from the University of North Carolina at Chapel Hill and her MBA and MHA from Georgia State University.

In 2007, Bleecker received the Triangle Business Journal’s 40 under 40 award and was named CFO of the Year in 2012.

She is active in community outreach and serves on several community boards, including current board member of Urban Ministries of Wake County, member of Holt Brothers Foundation, former treasurer and board chair of InterAct of Wake County, and former NC Commissioner of Tryon Palace. Bleecker began volunteering in 2001 as a camp counselor for Camp Sunshine, a summer camp for children with cancer and still serves in that role today.

Michael Spiritos, MD, is the Chief Medical Officer of Duke Raleigh Hospital and Associate Professor of Medicine at Duke University Health System. Spiritos’ specialties include internal medicine, medical oncology and hematology. He joined Duke Raleigh Hospital as chief of medical oncology in 2007, PDC Wake County representative in 2008 and chief medical officer in 2013.

Spiritos graduated from Harvard University in 1978 and completed his medical degree at Cornell University Medical College in 1983. He completed his internship in medicine at the New York Hospital and his fellowship in hematology-oncology at the Hospital of the University of Pennsylvania.

Priscilla Ramseur, DNP, RN, CNOR, NEA-BC, serves as Chief Nursing Officer of Duke Raleigh Hospital, a Campus of Duke University Hospital. She is responsible for providing leadership, management and fiscal control for patient care services, with the goal of achieving excellent patient care utilizing the principles of quality management systems while maintaining a culture of collaboration and interdisciplinary teamwork, and continuing to strengthen patient and team satisfaction.

Prior to her current positions, Ramseur served as the associate chief nursing officer, clinical operations director, nurse educator and staff nurse in perioperative services at Duke University Hospital for 25 years. She was also a staff nurse at Duke Regional Hospital.

Ramseur graduated with a bachelor of science degree in nursing from North Carolina Central University, as well as a doctor's of nursing practice, master's of science in nursing and post-master’s certificate in nursing administration from Duke University. She is a certified nurse executive and operating room nurse. She has received awards from NC Great 100 Nurse, Duke University School of Nursing MSN Program as Leadership Preceptor, Triangle Healthcare Heroes - Health Care Manager, Chi Eta Phi, Pi Chapter Nursing Legend Award and Duke University Friends of Nursing in perioperative nursing.

She serves on the Board of Directors for InteAct, North Carolina Organization of Nurse Leaders and Leadership North Carolina Triangle Regional Council. She is affiliated with the Central Carolina Black Nurses Council, NC Nurse’s Association, AONL, AORN, Chi Eta Phi Sorority Inc. - Pi Chapter Sorority, Inc. and Zeta Phi Beta Sorority Inc. – Durham Graduate Chapter.

Shilpa Shelton, MHA, FACHE, is Associate Vice President for Musculoskeletal & Spine Services at Duke University Health System.

Prior to this role, Shelton was the vice president for Duke University Hospital and provided senior administrative oversight for neuroscience and orthopedic clinical services, including procedural and diagnostic services such as neurodiagnostic services, pain services, and physical therapy and occupational therapy services. In addition, she oversees hospital-based outpatient clinics for orthopaedic trauma, spine and pain services.

Prior to being appointed to vice president, Shelton served as senior strategic services associate and led strategic planning efforts for the integration of the newly formed Duke University Health System. In prior roles, she spearheaded operations improvement initiatives and breakthrough clinical quality improvement. In addition, she has successfully led several financial turn-around initiatives, as well as hospital-wide physician satisfaction initiatives.

She received her undergraduate degree in biology from Wheaton College in Norton, Massachusetts and her master’s in health care administration from Duke University’s Fuqua School of Business. Shelton completed her Administrative Fellowship at Mercy Health System in Michigan.

Shelton is a Fellow of the American College of Health Care Executives and served on its National Chapter Leaders Committee. She is Past President of the Triangle Healthcare Executive Forum. Shelton also served as an adjunct faculty member for Pfeiffer University’s MHA/MBA program teaching Healthcare Finance. She is often a speaker at Fuqua School of Business’ Health Sector Management Program, as well as orthopedic conferences across the country.

Lori Pickens, is the Associate Vice President, Oncology Services for Duke University Health System, as well as Administrator and Associate Dean, Duke Cancer Institute, Duke University School of Medicine.Previously she served as Assistant Vice President, Clinical Programs, Duke Cancer Institute. Pickens joined Duke in 2007, serving as Director of the Duke Raleigh Cancer Center and in 2009 was named Administrative Director for the Preston Robert Tisch Brain Tumor Center.Before coming to Duke, she served as CEO of the American Lung Association of Missouri. Pickens also served as a director for a health plan operated by BJC Health System and Washington University School of Medicine in St. Louis.Prior to her transition into health care, Pickens spent more than 12 years working in corporate America in a variety of management capacities. She received her bachelor’s degree in business administration from Clark University in Worcester, Massachusetts, and her MHA from Washington University School of Medicine in St. Louis, Missouri, followed by an administrative fellowship at Henry Ford Health System in Detroit, Michigan.

Michael Kastan, MD, PhD, is the Executive Director of the Duke Cancer Institute and William and Jane Shingleton Professor of Pharmacology and Cancer Biology.

As a pediatric oncologist and a cancer biologist, Kastan conducts laboratory research concentrated on DNA damage and repair, tumor suppressor genes, and causes of cancer related to genetic predisposition and environmental exposures. His discoveries have made a major impact on our understanding of both how cancers develop and how they respond to chemotherapy and radiation therapy, and his publications reporting the roles of p53 and ATM in DNA damage signaling are among the most highly cited publications in the biomedical literature of the past 25 years. He has received numerous honors for his highly cited work, including election to the National Academy of Sciences, the National Academy of Medicine, and the American Academy of Arts & Sciences, as well as receipt of the AACR-G.H.A. Clowes Memorial Award for outstanding contributions to basic cancer research. He has served as Chairman of the Board of Scientific Counselors of the National Cancer Institute, on the Boards of Directors of the American Association for Cancer Research (AACR) and the American Association of Cancer Institutes (AACI), as editor-in-chief of the journal Molecular Cancer Research, and as editor of the textbook Clinical Oncology.

Kastan earned his degrees from the Washington University School of Medicine and did his clinical training in Pediatrics and Pediatric Hematology-Oncology at Johns Hopkins University. Before moving to Duke in 2011, Kastan was a Professor of Oncology, Pediatrics and Molecular Biology at Johns Hopkins University and Chair of the Hematology-Oncology department, as well as the Cancer Center Director at St. Jude Children's Research Hospital. 

Paul Lindia is Vice President for Network Services at Duke University Health System (DUHS) and has been a part of the Duke University Health System for more than 27 years. Lindia oversees Duke University Health System’s clinical affiliations with community hospitals as well as the Duke LifePoint Healthcare relationship.

Prior to assuming his current role in 2001, Lindia served as chief operating officer at Duke Raleigh Hospital. He directed hospital operations and a staff of more than 800 FTEs, with an annual budget in excess of $100 million.

Lindia also served as DUHS Senior Director, Hospitals’ Operations Integration where he led the organization through restructuring initiatives including system-wide alignment of various operational departments. He led efforts to integrate major clinical and departmental systems and programs across the health system using business plans and business case reports to support the integration projects.

Lindia has also served as Assistant Chief Operating Officer for Surgical and Professional Services at Duke University Hospital. He was responsible for leading operational efforts in all areas of surgical and peri-operative services along with traditional hospital non-clinical departments.

Lindia is a graduate of Yale University and received a Master’s of Public Health in healthcare administration. He received his bachelor of science degree in business administration/accounting from Central Connecticut State University.

Mark B. McClellan, MD, PhD, is a doctor and an economist whose work has addressed a wide range of strategies and policy reforms to improve health care, including payment reforms to promote better outcomes and lower costs, methods for development and use of real-world evidence and approaches for more effective drug and device innovation.

McClellan is a former administrator of the Centers for Medicare & Medicaid Services (CMS) and former commissioner of the US Food and Drug Administration (FDA), where he developed and implemented major reforms in health policy. McClellan has served as a member of the President’s Council of Economic Advisors and as deputy assistant secretary of the Treasury for Economic Policy. He was also a Senior Fellow at the Brookings Institution and a professor of economics and medicine at Stanford University where he directed the Program on Health Outcomes Research.

A. Eugene Washington, MD, MPH, MSc, is Chancellor Emeritus at Duke University. An internationally renowned clinical investigator and health policy scholar, Dr. Washington has been a leader in assessing medical technologies, developing clinical practice guidelines, and establishing disease prevention policies, particularly in women’s health. The thread that runs throughout all of this work is improving quality of healthcare and eliminating racial/ethnic disparities in health outcomes. His research and numerous publications have greatly impacted the practice of medicine in prenatal genetic testing, cervical cancer screening and prevention, noncancerous uterine conditions management, and reproduction-related infections. His executive leadership has inspired academic health systems to adopt public health principles as core to their mission. His service to the nation through professional and government boards and committees has emphasized the importance of health equity and community engagement in health policy and public discourse.

Dr. Washington has held academic leadership positions and senior executive posts in three prominent academic health systems. Previously, Dr. Washington was the Chancellor for Health Affairs at Duke University, where he also served as President and CEO of the Duke University Health System from 2015-2023. Dr. Washington was appointed as Chancellor Emeritus in 2023. Just prior to Duke, Dr. Washington served as Vice Chancellor of Health Sciences, Dean of the David Geffen School of Medicine at the University of California, Los Angeles (UCLA), and Chief Executive Officer of the UCLA Health System. At the University of California, San Francisco (UCSF), Dr. Washington served as Executive Vice Chancellor and Provost. There, he co-founded and directed the Medical Effectiveness Research Center for Diverse Populations, one of the first centers of excellence conducting research on health services for minority populations. Before joining the faculty at UCSF, Dr. Washington was an epidemiologist and clinical investigator at the Centers for Disease Control and Prevention (CDC) in Atlanta.

Dr. Washington is known as one of the most vocal proponents in the U.S. of Academic Health Systems adopting health improvement as their ultimate mission, beyond the traditional missions of research, education and patient care. At Duke University, he initiated and led the transition of Duke Medicine to Duke Health, which is today demonstratively more focused on socio-economic determinants of health and building healthy communities. At UCLA, Dr. Washington consolidated disparate and widespread projects into a comprehensive and organized community engagement entity that magnified the impact of these activities. And at UCSF, he strengthened the institution’s commitment to service by building lasting partnerships with the community and by creating alignment across the entire enterprise.

Dr. Washington has also impacted the national health and healthcare agenda through his thought leadership. He was elected to the Institute of Medicine (IOM) (now the National Academy of Medicine) in 1997 and to the American Academy of Arts and Sciences in 2014. He chaired the Boards of Directors of both the California HealthCare Foundation and The California Wellness Foundation, served on the Board of Trustees of the Robert Wood Johnson Foundation, and was a director of Johnson and Johnson. Dr. Washington is founding Chair of the Board of Governors of the Patient-Centered Outcomes Research Institute (PCORI), a national research organization authorized by the 2010 Patient Protection and Affordable Care Act. He currently serves on the Boards of Directors of the Kaiser Foundation Hospitals and Kaiser Foundation Health Plan, Inc.

Rhonda Brandon is the Senior Vice President and Chief Human Resources Officer for Duke University Health System.

In her role, Brandon oversees efforts to advance a world-class workforce that positions the health system to meet our long-term strategic goals. She is a key driver of our initiatives to improve performance measurement, professional development and our work culture. She offers trusted counsel to senior staff, advocating on behalf of all of our employees.

Brandon was most recently the Senior Vice President and Chief Human Resources Officer for BJC Healthcare in St. Louis, MO. She joined BJC Healthcare in 2006 as Vice President of Human Resources for Missouri Baptist Medical Center and was named Vice President of Operations for BJC’s Shared Services Human Resources team in 2010.

Prior to her service to BJC Healthcare, Brandon served as Vice President of Human Resources for Colonial Pipeline Company and prior to that, as Director of Human Resources and Global Information Technology for Nike. She is a cum laude graduate of Hampton University (BA, mass communications) and American University (MS, organization development.)

Kevin W. Sowers, MSN, RN, FAAN, is the President of Duke University Hospital. Sowers joined Duke University Hospital in 1985 as a staff nurse in oncology and has been in leadership roles within Duke University Health System over the last 20 years.Prior to becoming president, Sowers served as the Chief Operating Officer for Duke University Hospital from 2003 to 2009. He received his BSN from Capital University in Columbus, Ohio and his MSN from Duke University School of Nursing. Sowers is accountable for the operations of the 957-bed academic teaching hospital with over 10,000 faculty, staff and volunteers. He is responsible for driving organizational excellence and implementing the strategic plan of the organization in collaboration with the Duke Health physician group. Sowers is internationally known for his lectures and writings on the issues of leadership, organizational change, mentorship and cancer care. He is currently on the Board of Directors for University Healthcare Consortium and the Counsel of Teaching Hospitals. He is adjunct faculty at Duke University School of Nursing, Duke University Fuqua School of Business and UNC School of Public Health. He has also served in leadership roles with the American Heart Association, Susan G. Komen and a variety of leadership roles at the national level within the Oncology Nursing Society.  

Chris Beyrer, MD, MPH, an internationally recognized epidemiologist who has worked on the front lines of HIV/AIDS and COVID-19 treatment and research, is the director of the Duke Global Health Institute.

Beyrer, who has worked on COVID-19 vaccine trials since 2020, currently serves as senior scientific liaison to the COVID-19 Vaccine Prevention Network. He is past president of the International AIDS Society, the world’s largest body of HIV professionals and has served as advisor to the U.S. President’s Emergency Plan for AIDS Relief (PEPFAR), the HIV Vaccine Trials Network, the National Institutes of Health’s Office of AIDS Research, the U.S. Military HIV Research Program, the World Bank, the World Health Organization, and the Open Society Foundations, among numerous other organizations. The author of “War in the Blood: Sex, Politics and AIDS in Southeast Asia,” he has conducted collaborative research in Thailand for 30 years.

Before coming to Duke, Beyrer was the inaugural Desmond M. Tutu Professor of Public Health and Human Rights at the Johns Hopkins Bloomberg School of Public Health, where he also was a professor of epidemiology, international health, nursing and medicine. At Johns Hopkins, he directed the T32 Training Program in HIV Epidemiology and Prevention Science and served as associate director of the JHU Center for AIDS Research and the Center for Global Health. He was the founding director of the Center for Public Health and Human Rights.

Beyrer received his medical degree from SUNY Downstate Health Sciences University and holds a Master of Public Health from Johns Hopkins Bloomberg School of Public Health. He was elected to the National Academy of Medicine in 2014 and serves on the Academy’s Board for Global Health, and on the Committee for Human Rights.

Megan Haymaker was named Assistant Vice President, Community Hospitals HR, Duke University Health System, in October 2025. Before that she served as the Chief Human Resources Officer for Duke Raleigh Hospital, a Campus of Duke University Hospital, and Interim Chief Human Resources Officer for the Duke University Health System Clinical Labs group.

Haymaker brings more than 18 years of healthcare experience to the team, with a strong background in healthcare, having previously served in a variety of HR leadership roles with Indiana University (IU) Health for over 15 years.

Haymaker is a tremendous asset to Duke Health and has participated in a number of key strategic HR initiatives to continue enhancing the value HR brings. She is a compassionate people-first leader who always seeks to understand the needs of our team members and holds a deep appreciation for the care they provide.

Dr. Ted Boyse, MD, is the Chief Medical Officer for Duke Raleigh Hospital, a Campus of Duke University Hospital. He was appointed as chief in July, 2022. Prior to this, Dr. Boyse served as Associate Chief Medical Officer for one year.

Over the past 18 years, Dr. Boyse has made important and varied contributions to Duke Health System. He has held multiple leadership roles at Duke Raleigh Hospital, including eleven years as part of the hospital’s medical executive committee, holding the roles of department chair, president elect, and president.

Dr. Boyse is known and recognized for his commitment to valuing and developing people while creating effective care environments through process improvements. He brings unique insight into how Duke Raleigh can best grow and support its medical staff, expand services, and further Duke Health’s commitment to delivering the best patient care.

Dr. Boyse earned his medical degree from Vanderbilt University School of Medicine in Nashville, completed his Radiology Residency at the University of Michigan and his Musculoskeletal Radiology Fellowship at the Mallinckrodt Institute of Radiology in St. Louis.

Ian Lee Brown, DMH serves as Chief Community Health and Social Impact Officer for Duke University Health System, where he leads enterprise-wide strategies for community health, social impact, and cross-sector partnerships that advance care that is accessible, responsive, and grounded in community needs, population health, and whole-person care.

With more than two decades of leadership experience, Ian has held senior roles across academic medical centers, health systems, senior living, affordable housing, finance, and social-impact organizations. His career is grounded in early work in community health and development in the Washington, DC region, where he led community and political affairs, volunteer services, pastoral care, and nationally recognized violence-prevention initiatives.

At Duke Health, Ian has previously served as Chief Employee Experience Officer and Interim Associate Vice President for Community Health, overseeing employee experience, employee listening, change management, organizational culture, belonging, workforce well-being, professionalism, and workplace violence prevention, as well as community health assessments, community benefit portfolios, and multi-sector coalitions.

Ian holds a Doctor of Medical and Health Humanities and a Contemplative Professional Graduate Certificate from Drew University; a Master of Science in Applied Behavioral Science and Organizational Development and a Graduate Certificate in Senior Living and Healthcare from the Johns Hopkins Carey Business School; a Master of Liberal Studies from Lake Forest College; and completed his undergraduate education at Brooklyn College. He has additional training in Clinical Pastoral Education at St. Luke’s–Roosevelt Hospital in New York City. In recognition of his leadership and impact, Ian was named an Association to Advance Collegiate Schools of Business (AACSB) Influential Leader in 2022 and a Distinguished Johns Hopkins University alumnus in 2025.

An immigrant from Jamaica, Ian brings a community-rooted, interdisciplinary approach to advancing equitable health outcomes.