Who We Are

Mammoth Medical Missions is a California-registered secular non-governmental non-profit 501(c)(3) organization run by a volunteer BOARD OF DIRECTORS with the assistance of an ADVISORY BOARD. All missions are staffed (and in part paid for) by volunteer medical practitioners and others from the community of Mammoth Lakes, California, and beyond.


The team on the ground for the November 2013 mission to Tanauan, Leyte, Philippines, was composed of the following 16 individuals:

Mike Karch, MD, Orthopedic Surgeon and Team Leader
Sara B. May, MD, Emergency Physician and Triage Leader
Richard Koehler, MD, Thoracic Surgeon and Fire Team Leader
Martha Kim, MD, OB/GYN Surgeon
Jonathan Bourne, MD, Anesthesiologist
Paul Chu, MD, Anesthesiologist
Wayne Anderson, MD, Anesthesiologist
Sierra Bourne, MD, Emergency Physician
James Bold, Certified Physician’s Assistant
Katherine Dease, Certified Orthopedic Technologist/EMT
Irene Graham, RN
Robert Kocher, RN
Mike McMahon, Certified Orthopedic Technologist
Alan Podawiltz, Field Infrastructure and Supply Manager
David Page, C.O.O. and Field Logistics Coordinator
Carson Bold, Student

Back home in Mammoth, communications and coordination were handled by Pam Bold, Kim Escudero, MD, and Gilann Bourne.