Leadership

Meet Our Executive Team

• 
  John G. Raffoul, DPA, FACHE
  President, Adventist Health White Memorial
• 
  Mara C. Bryant
  Operations Executive
• 
  Blin Richards, ​CPA, MBA​
  Finance Officer
• 
  Patricia Stone, RN, MSN
  Patient Care Executive
• 
  Mary Anne Chern, FAHP, ACFRE
  Charitable Foundation President
• 
  Cesar Armendariz ​
  Community Relation Executive
• 
  Karen Hansberger, MD​
  Medical Officer
• 
  Greg Schwarz
  Business Development Executive

Adventist Health Southern California Region (includes Adventist Health Glendale, Adventist Health Simi Valley and Adventist Health White Memorial)

• 
  Andrew Jahn
  President, Southern California Region
• 
  Ron Wehtje
  Chief Financial Officer, Southern California Region
• 
  Natasha Milatovich, MBA, MHRM
  Regional Vice President, Human Performance, Southern California Region
• 
  Arby Nahapetian, MD
  Chief Medical Officer, Southern California Region
• Medical Staff Leadership

Adventist Health White Memorial is a unique community-based teaching hospital serving East and South Los Angeles. The non-profit, 353-bed hospital is committed to improving the health of the community by providing high quality and comprehensive care with inpatient and outpatient services. White Memorial was established in 1913, and today is regionally recognized for state-of-the-art technology and specialty care services provided by some of the best physicians in Los Angeles whose credentials include pioneering research, ivy-league education, and a commitment to compassionate and culturally-competent care.

Adventist Health is a faith-based, nonprofit integrated health delivery system serving communities in California, Hawaii, Oregon and Washington. Our workforce of 31,000 includes more than 22,350 employees; 4,800 medical staff physicians; and 3,850 volunteers. Founded on Seventh-day Adventist heritage and values, Adventist Health provides compassionate care in 20 hospitals, more than 275 clinics (hospital-based, rural health and physician clinics), 15 home care agencies, seven hospice agencies and four joint-venture retirement centers. Visit AdventistHealth.org for more information.