·Cambridge Bible College
·University of Stellenbosch(Th. M.)
·University of South Africa(UNISA)(Th. D.)
·Swiss Missionary Fellowship(SMF) 남아공 선교사
·Arab World Ministries(AWM) 유럽 코디네이터
·Institute of Questions on Islam 스위스 리더
논문 “In Search of a New Life: Conversion Motives of Christians and Muslims”(1999)
