White Memorial Montebello
Leadership
Meet Our Executive Team

John G. Raffoul, DPA, FACHE
President, Adventist Health White Memorial

Mara C. Bryant
Mara C. Bryant

Chip Owens, MBA
Finance Officer

Leila Ibushi-Thompson, MSN, BSN, RN
Patient Care Executive

Greg Schwarz
Business Development Executive

Juan De La Cruz
President, Charitable Foundation

Mark Dumais, MD, MBA, FACP
Medical Officer