Executive Leadership

Paul S. Viviano
President and Chief Executive Officer

Robert Adler, MD, MSEd
Chief Medical Director, CHLA Health System; Senior Advisor to the Chair of Pediatrics (CHLA); Professor of Pediatrics (USC)

Conrad Band
Senior Vice President and Chief Information Officer

Alexandra Carter, MBA, CFRE
Senior Vice President and Chief Development Officer

Sylvia Del Castillo, MD
Chief of Staff; Medical Director, Cardiothoracic Intensive Care Unit (CHLA); Clinical Associate Professor of Pediatrics (Clinician-Educator) (USC)

Kelly M. Johnson, PhD, RN, NEA-BC 
Senior Vice President of Patient Care Services and Chief Nursing Officer

Alexander R. Judkins, MD, FCAP, FRCP (Edin)
Pathologist in Chief and Executive Director, Center for Personalized Medicine; Head, Department of Pathology and Laboratory Medicine (CHLA); Vice Chair and Associate Professor (Clinical Scholar), Department of Pathology (USC)

Lara M. Khouri, MBA, MPH
Executive Vice President and Chief Operating Officer

Mark Krieger, MD
Senior Vice President and Surgeon-in-Chief; Billy and Audrey L. Wilder Chair in Neurosurgery; Executive Advisor, Neurological Institute (CHLA); Professor of Clinical Neurosurgery (USC)

Pat Levitt, PhD
Senior Vice President and Chief Scientific Officer; Director, The Saban Research Institute; Simms/Mann Chair in Developmental Neurogenetics (CHLA); W.M. Keck Provost Professor of Neurogenetics (USC)

M. Scott Lieberenz, MSA, CPA
Senior Vice President and Chief Financial Officer

Marvin D. Nelson Jr., MD, MBA, FACR
Radiologist-in-Chief; Chair, Department of Radiology; John L. Gwinn Professor of Radiology (CHLA); Professor of Radiology (USC)

Grace E. Oh, JD, MBA
Senior Vice President and General Counsel

Hanna Song, PhD
Senior Vice President and Chief Diversity, Equity and Inclusion (DEI) Officer

James Stein, MD, MSc, FACS, FAAP
Senior Vice President and Chief Medical Officer; Ford Theodore Miller Murphy Chair in Surgical Oncology (CHLA); Professor of Clinical Surgery (USC)

Mamoon Syed, MHA
Senior Vice President and Chief People Officer

Alan S. Wayne, MD
Pasadena Guild Chair; Pediatrician-in-Chief; Senior Vice President of Academic Affairs (CHLA); Chair, Department of Pediatrics; Professor of Pediatrics and Medicine (USC)