Thomas D. Kmetz, M.B.A., M.H.A.
Thomas D. Kmetz is 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 >>
David Clendenin, M.D.
Interim President, All Children's Specialty Physicians
Dr. Clendenin is the interim president of the All Children's Specialty Physicians and a pediatric anesthesiologist at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2018. Dr. Clendenin earned his medical degree from the University of South Florida in Tampa where he also trained in general medicine and clinical anesthesiology. He completed an anesthesiology fellowship at Boston Children’s Hospital/Harvard Medical School in Boston, Massachusetts. 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 >>
Senior Director, Marketing & Communications
As senior director of marketing and communications, Natalia Diaz oversees the hospital’s marketing and communications operations, including internal communications to physicians and employees and external marketing strategy. She joined the hospital staff in 2019.
Previously Diaz served as director of marketing and communications at Brandon Regional Hospital, a 438-bed tertiary hospital in Hillsborough County, Florida, where she oversaw the hospital’s marketing, strategic communications and media relations. Read more >>
Neil Goldenberg, M.D., Ph.D.
Associate Dean for Research
Dr. Goldenberg is the associate dean for research at Johns Hopkins All Children's Hospital. He also serves as chief research officer for All Children’s Research Institute. In addition, Dr. Goldenberg directs the Thrombosis Program in the Johns Hopkins All Children’s Cancer and Blood Disorders Institute and the Stroke Program in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. Dr. Goldenberg is a professor of pediatrics and medicine at the Johns Hopkins University School of Medicine and is an international leader in the field of venous thromboembolism in children and young adults. Read more >>
Angela Green, Ph.D., R.N., CPHQ, FAHA, FAAN
Vice President and Chief Patient Safety and Quality Officer
Angela Green, Ph.D., R.N., CPHQ, FAHA, FAAN, is the Catherine Kobren Endowed Professor in Patient Safety and Quality and is the vice president and chief patient safety and quality officer at Johns Hopkins All Children’s Hospital. Dr. Green joined the hospital staff in September of 2017 as senior director of patient safety and quality. She joined the faculty of the Johns Hopkins School of Nursing in 2018. She is a nationally recognized leader in patient safety and quality and has extensive experience in practice and academic settings, including serving as a staff nurse; neonatal and cardiac nurse practitioner; academic faculty; director of nursing research and professional practice; interim chief nursing officer; and most recently, vice president for process improvement at Arkansas Children's Hospital. 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.
Vice Dean and Physician-in-Chief
George Jallo, M.D., is the vice dean and physician-in-chief at Johns Hopkins All Children's Hospital. He is also medical director of the Johns Hopkins All Children's Institute for Brain Protection Sciences and a professor of neurosurgery, pediatrics and oncology with Johns Hopkins University 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 >>
Joseph Perno, M.D.
Vice President of Medical Affairs
Dr. Perno is the vice president of medical affairs and the vice chairman of the Department of Medicine at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2003.
Dr. Perno focuses on aligning clinical resources across the continuum of care to ensure quality and patient safety as well as value-based services. His responsibilities include medical credentialing and privileging oversight, assessment of medical staff performance and enhancement of care coordination and clinical pathways with community pediatricians. 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 >>
Jenine Rabin, M.B.A.
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 >>
Jeff Rooney, M.B.A.
Interim Chief Financial Officer
Jeff Rooney is interim chief financial officer at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2019. Rooney strategically leads and oversees the financial areas of the non-profit hospital, including financial reporting, revenue cycle, managed care, decision support, reimbursement, treasury, taxation, budgeting and forecasting. He develops and presents financial performance and initiative updates to the Johns Hopkins All Children’s Hospital and Johns Hopkins All Children’s Foundation Boards of Trustees, committees and leadership and management councils. Read more >>
Susan Tuite, J.D., M.P.H.
Susan Tuite, J.D., M.P.H., serves as senior counsel for Johns Hopkins All Children’s Hospital. She 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. She joined the team as senior counsel in 2019. She had previously served as the assistant general counsel for All Children's Hospital from 1996 to 1999, after serving as a staff attorney for the Office of the General Counsel of Baylor College of Medicine. Read more >>