Our Leadership
Michelle Riley-Brown, MHA, FACHE
President and CEO
Michelle Riley-Brown, MHA, FACHE, is the president and chief executive officer of Children's National Hospital. Children's National is ranked among the top 10 in the nation on the U.S. News & World Report 2025-26 Best Children's Hospitals annual rankings. She brings over two decades of pediatric healthcare expertise and hospital leadership to the role.
Catherine Mary Bollard, MD, MB ChB
Senior Vice President and Chief Research Officer, Children's National Hospital
Catherine Bollard, MD, MBChB, is the senior vice president and chief research officer at Children's National Hospital and director of the Center for Cancer and Immunology Research. A distinguished hematologist, immunologist and immunotherapist, she leads clinical and research efforts to fight cancer and other inflammatory diseases.
Gina M. Cronin, MHA, FACHE
Executive Vice President and Chief People Officer
Gina M. Cronin, MHA, FACHE, serves as executive vice president and chief people officer at Children’s National, overseeing all human resources functions and plays a critical role in attracting and retaining skilled healthcare professionals. She previously held the position of chief talent officer for the Cleveland Clinic Health System.
Jeffrey Stuart Dome, MD, PHD
Senior Vice President, Cancer and Blood Disorders Center
Jeffrey Dome, MD, PhD, is the senior vice president of the Cancer and Blood Disorders Center at Children's National Hospital and a professor of pediatrics at the George Washington University School of Medicine and Health Sciences. He is an internationally recognized expert on pediatric solid tumors, particularly kidney tumors and sarcomas.
Wayne J. Franklin, MD, MBA
Senior Vice President, Heart and Lung Center
Wayne Franklin, MD, MBA, FACC, is the senior vice president of the Heart and Lung Center, overseeing a wide range of cardiac services. Dr. Franklin's research focuses on adults with congenital heart disease, particularly single ventricle-Fontan physiology, neurocognitive outcomes, pulmonary hypertension, cardiac disease in pregnancy and transition medicine.
Jordan Grossman, JD
Vice President and Chief of Staff
Jordan Grossman, JD, serves as vice president and chief of staff at Children’s National, bringing extensive leadership experience from his roles in federal agencies, Congress and the Washington, D.C., local government. Most recently, he served as deputy administrator of the Health Resources and Services Administration (HRSA).
Mary Anne Hilliard, Esq, RN, FAAN
Executive Vice President; Chief Legal Officer; General Counsel
Mary Anne Hilliard, Esq, RN, FAAN, executive vice president, chief legal officer and general counsel, oversees a wide range of functions at Children’s National, including legal services, risk management and compliance. In addition to being a lawyer, Hilliard is also a registered nurse and has led initiatives focused on improving patient safety outcomes.
Percival I. Kane, Jr., MHA
Senior Vice President and Chief of Operations
Percival I. Kane, Jr., MHA, is the senior vice president and chief of operations at Children’s National. He plays a critical role in advancing the hospital’s long-term strategic vision and operational excellence. He joined Children’s National from University Hospitals (UH) Ahuja Medical Center in Cleveland, Ohio, where he served as chief operating officer.
Nathan Kuppermann, MD
Executive Vice President and Chief Academic Officer; Director, Children's National Research Institute; Department Chair, Pediatrics, George Washington University School of Medicine and Health Sciences
Nathan Kuppermann, MD, MPH, is executive vice president, chief academic officer of Children's National and director of the Children's National Research Institute. He is a pediatric emergency medicine physician, clinical epidemiologist and leader in emergency medical services for children, with more than 325 peer-reviewed publications.
Ethan Gabriel Leonard, MD
Senior Vice President, Hospital Based Specialties
Ethan Leonard, MD, MBA, is the senior vice president for the Hospital Based Specialties (HBS) Center of Excellence at Children’s National Hospital. He oversees the clinical, operational, strategic and academic priorities for HBS.
Aldwin Lindsay, MBA
Executive Vice President and Chief Financial Officer
Aldwin Lindsay, MBA, is the executive vice president and chief financial officer at Children’s National, bringing over 28 years of experience in healthcare finance to the role. He oversees a wide range of financial operations, and previously served as chief financial officer at Howard University Hospital in Washington, D.C.
Matt MacVey, MBA
Executive Vice President and Chief Information Officer
Matt MacVey, MBA, serves as chief information officer at Children’s National, where he leads the Information Services team and is responsible for the organization's IT strategy, operations and cybersecurity. His work focuses on leveraging technology to enhance patient care, ensure security and optimize workflows.
DeAnn Marshall, MHA
Executive Vice President and Chief External Affairs Officer Children's National Hospital; President, Children’s National Hospital Foundation
DeAnn Marshall, MHA, is the executive vice president and chief external affairs officer at Children's National Hospital and president of the Children's National Hospital Foundation. She brings exceptional development leadership, has a history of exceeding fundraising targets and embraces the power of partnership.
Anthony David Sandler, MD
Senior Vice President and Surgeon-in-Chief, Joseph E. Robert, Jr. Center for Surgical Care; Director, Sheikh Zayed Institute for Pediatric Surgical Innovation
Anthony Sandler, MD, is senior vice president and surgeon-in-chief of the Joseph E. Robert, Jr. Center for Surgical Care and the director of the Sheikh Zayed Institute for Pediatric Surgical Innovation. Dr. Sandler is internationally known for his work on childhood solid tumors and operative repair of certain congenital anomalies of the gastrointestinal tract.
Linda Talley, MS, RN, NE-BC, FAAN
Senior Vice President and Chief Nursing Officer
Linda Talley, MS, RN, NE-BC, FAAN, is senior vice president and chief nursing officer at Children's National. She played a key role in Children’s National becoming a Magnet®-designated hospital and led the Beacon certification for the hospital’s critical care units, developing and implementing a multidisciplinary simulation program.
Elizabeth Molloy Wells, MD
Senior Vice President, Neuroscience and Behavioral Medicine Center
Elizabeth Wells, MD, is senior vice president of the Neuroscience and Behavioral Medicine Center. In addition to her work in neuro-oncology, Dr. Wells developed the Children’s National multidisciplinary program in pediatric neuro-immunology. Dr. Wells focuses on quality and safety, medical informatics and patient experience.
David L. Wessel, MD
Executive Vice President; Chief Clinical Officer; Physician-In-Chief
David Wessel, MD, is executive vice president, chief clinical officer and physician-in-chief at Children’s National. He is internationally known for his pioneering work in caring for newborns, especially those with heart disease. He has been a pioneer in the development of pediatric cardiac intensive care, and he has mentored a generation of leaders in that field.