Charlie is a licensed psychologist in North Carolina who serves with his wife Frauke Schaefer as staff in an organization which exists to encourage and strengthen those in cross-cultural service and their families. He serves as part of the team that developed MedRetreats, which cares for the needs of global healthcare providers, and he provides counseling and teaching during these events. Charlie has lived in West Africa and served global workers there in addition to Europe, Central Asia, East Asia, and the Middle East. In addition to his ministry with his current organizations, Charlie has a private practice where he primarily works with people engaged in global service.