Sue Vonk is a Family Nurse Practitioner with over 30 years in nursing and a special interest to serve those in the developing world.  She has been on multiple medical mission trips in Central and South America, and assisted with trauma counseling in Central Asia.  She has been a camp nurse in Yosemite National Park for 18 years.  Sue is a certified Wilderness Medicine Provider.

Glenn Vonk is a PhD scientist with over 30 years experience across the world.  His professional accomplishments include developing medical diagnostics and devices for infectious diseases and chronic conditions.  He brings deep technical knowledge to enable superior care and ensure the best outcomes for each traveler.