JoAnn Z. Ioannou, D.N.P., M.B.A., R.N.

Sr. Vice President, Clinical Operations, Johns Hopkins Health System

JoAnn Ioannou, D.N.P., M.B.A.

JoAnn Ioannou is senior vice president of clinical operations for the Johns Hopkins Health System. In this role, she leads a broad portfolio of systemwide operational functions. She also continues to lead the Sightline implementation, Johns Hopkins Medicine’s enterprise business modernization initiative.

Since returning to Johns Hopkins in 2022, Ioannou has held leadership roles as senior adviser to the president for strategy and vice president of strategic initiatives, partnering across the health system to advance enterprise priorities at the intersection of strategy, clinical operations and organizational transformation. Her leadership has included capacity and access improvement, oversight of health system objectives and key results, and the Sightline Workday implementation.

Before returning to Johns Hopkins, Ioannou served as executive vice president of hospital operations and chief nursing officer at Greater Baltimore Medical Center (GBMC). She was responsible for hospitalwide operations, clinical quality, patient experience and financial performance. During her tenure, she helped lead GBMC’s successful pursuit of the 2020 Malcolm Baldrige National Quality Award and led initiatives spanning care redesign, patient flow, utilization management, surgical services, capital planning and clinical transformation.

Ioannou began her career at The Johns Hopkins Hospital in 1993 as a clinical nurse intern and subsequently held progressive clinical and operational leadership roles, including nurse manager, assistant director of medical nursing and director of neurosciences/psychiatry nursing.

Ioannou earned a bachelor’s degree in psychology from Towson University and a bachelor’s degree in nursing from Villa Julie College, now Stevenson University. She holds a Master of Science in nursing, Master of Business Administration and doctor of nursing practice from Johns Hopkins University. She also serves as an associate faculty member at the Johns Hopkins University School of Nursing.