Thomas D. Kmetz
Thomas D. Kmetz is interim president of Johns Hopkins All Children’s Hospital, leading the organization during a time of transition and renewed commitment to patient safety, quality and transparency. Kmetz is focused on engaging employees, medical staff and the community to deliver a shared mission of excellence in pediatric care. Read more >>
Roberta Alessi, M.H.S.A.
Executive Vice President and Chief Operating Officer
Roberta Alessi serves as executive vice president and chief operating officer for Johns Hopkins All Children’s Hospital. She provides leadership and oversight of clinical and support services, facilities (including the regional network of Johns Hopkins All Children's Outpatient Care locations), pharmacy and home health along with a broad range of transformational initiatives. Read more >>
Vice President, Government and Community Affairs
Kimberly Berfield joined Johns Hopkins All Children’s Hospital as vice president, government and community affairs, in February 2017. A veteran expert in collaborative strategies in all aspects of government affairs, public policy and community initiatives, she is helping Johns Hopkins All Children’s fulfill its mission of providing child health through treatment, education, advocacy and research to children locally and beyond. Berfield leads mission-based community initiatives at Johns Hopkins All Children’s Hospital, including Safe Kids, Healthy Start and Fit4Allkids program. Read more >>
Paul Danielson, M.D.
Interim Chair, Department of Surgery
Dr. Danielson specializes in general pediatric surgery and serves as chief of the division of pediatric surgery at Johns Hopkins All Children’s Hospital. He became interim chair of the Department of Surgery in 2018. He was an early adopter of minimally invasive surgical techniques and has expertise in treating chest wall deformities. Dr. Danielson was named Johns Hopkins All Children’s Hospital physician of the year in the 2015 Johns Hopkins Medicine Clinical Excellence Awards. Read more >>
Vice President, Human Resources
Marcos DeLeon joined Johns Hopkins All Children’s Hospital in June 2015 as vice president, human resources. He is guiding leadership development, employee engagement and other key human resources initiatives for the more than 3,000 employees based at Johns Hopkins All Children’s main campus in St. Petersburg and its outpatient locations in eight Florida counties. Read more >>
Neil Goldenberg, M.D., Ph.D.
Director of Research and Chief Research Officer
Dr. Goldenberg was named director of research at Johns Hopkins All Children's Hospital in July 2012 as well as chief research officer of the All Children's Research Institute and director of the new Clinical and Translational Research Organization at Johns Hopkins All Children's Hospital. He is a professor of pediatrics and medicine at the Johns Hopkins University School of Medicine, and an international leader in the field of venous thromboembolism in children and young adults. Read more >>
Derek Hess, M.D.
Chief of Staff
Dr. Hess specializes in pediatric ophthalmology in the Johns Hopkins All Children’s Department of Pediatric Medicine. He became chief of the medical staff in January 2017 after a one-year term as vice chief. He joined the Johns Hopkins All Children’s Hospital medical staff in 2004. Read more >>
George Jallo, M.D.
Interim Vice Dean and Physician-in-Chief
Dr. Jallo is medical director of the Johns Hopkins All Children's Hospital Institute for Brain Protection Sciences (IBPS) and chief of pediatric neurosurgery. He became interim physician-in-chief for the hospital and interim vice dean for the Johns Hopkins University School of Medicine in 2018. An internationally respected pediatric neurosurgeon, Dr. Jallo is a professor of neurosurgery, pediatrics and oncology in the School of Medicine. Read more >>
Melissa Macogay, M.B.A., B.S.N., R.N., N.E.-B.C., C.C.R.N.-K.
Vice President and Chief Nursing Officer
Melissa Macogay, MBA, BSN, RN, CCRN-K, NE-BC is vice president and chief nursing officer for Johns Hopkins All Children’s Hospital.
A registered nurse for more than 19 years, Macogay started as a nurse in the pediatric intensive care unit (PICU) at The Johns Hopkins Hospital in Baltimore, Maryland. She joined Johns Hopkins All Children’s in 2008 and served in multiple roles including interim chief nursing officer, director of the PICU, surgical neuroscience unit and dialysis as well as senior director of nursing for the Institute for Brain Protection Sciences. Read more >>
Anthony (Tony) Napolitano, M.D., F.A.A.P.
Chair, Department of Pediatric Medicine
Dr. Napolitano chairs the Department of Pediatric Medicine at Johns Hopkins All Children’s Hospital. He joined the Johns Hopkins All Children’s neonatology program in 1988 and serves as senior neonatologist. Read more >>
Sylvia R. Powell, M.B.A.
Associate Dean of Administration
Office of the Vice Dean, Johns Hopkins All Children’s Hospital
Sylvia Powell joined The Johns Hopkins University School of Medicine in July 2011 as assistant dean of administration in the Office of the Vice Dean for Johns Hopkins All Children’s Hospital. Drawing upon more than 35 years of administrative experience in academic medicine, she is helping to lead the academic transformation of Johns Hopkins All Children’s Hospital. Read more >>
Steve Pozefsky serves as Senior Counsel for Johns Hopkins All Children’s Hospital. A member of the leadership team, Pozefsky provides legal counsel for the hospital, oversees the privacy and accreditation divisions, and manages contract work in support of the hospital’s treatment and academic mission. Joining the team in September 2017 from the Washington, D.C., area, Pozefsky brings more than 20 years of legal experience to Johns Hopkins All Children’s. Read more >>
Executive Vice President, Johns Hopkins All Children's Foundation
As executive vice president of the Johns Hopkins All Children's Foundation, Ms. Rabin plays a key role in defining the hospital's funding needs and then shaping the philanthropic opportunities that invite donors to become involved through their gifts of time, talent and treasure. She is responsible for all fundraising activities and personnel, directing a team of passionate and talented individuals. Read more >>
Vice President, Chief Financial Officer
Christopher Whitby is vice president, chief financial officer at Johns Hopkins All Children's Hospital. He joined the hospital staff as senior director of finance in April 2016. In his role, Whitby supports the hospital mission by strategically leading and overseeing the financial areas of the non-profit health system, including financial reporting, revenue cycle, managed care, decision support, reimbursement, treasury, taxation, budgeting and forecasting. Read more >>