Ukraine Crisis

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Our Volunteers

These missionaries are Adventist Health International (AHI) long-term volunteers, Loma Linda University alumni, Global Service Awardees (GSA) and Deferred Mission Appointees (DMA) that serve at AHI Hospitals and Clinics and Loma Linda University Health International Partner Sites as physicians, dentists, hospital administrators, nurses, and public health educators.

DMA & GSA News

How to Volunteer

Learn more about how to volunteer for:
  • Adventist Health Health International here
  • Loma Linda University Health - Global Health Institute here

Currently Serving


Bere Adventist Hospital

Andrew Trecartin, MD, Deferred Mission Appointee (DMA) & Megan Trecartin, MD





Malamulo Adventist Hospital

Wilson Thomas, MD, Deferred Mission Appointee (DMA) & Danika Thomas, MA

Malamulo Adventist Hospital

Deborah DeSouza, MD, Deferred Mission Appointee (DMA) & Stephen DeSouza, MD

Sierra Leone


Lusaka SDA Dental Clinic

Wesley Arnold, DDS, Deferred Mission Appointee (DMA) & Briana Arnold



Tiffany Priester, MD

Clinical Laboratory

Ben Siapco, MS

Family Medicine

Jamie Crounse, MD

Finance & Nursing

Ray and Lynette Holm

Information Systems

Marty Zola, MSc