Erwin has worked for more than 20 years in Africa and Asia towards the establishment of a network of indigenous and culturally sensitive fellowships. He currently lives in Switzerland. He is involved in consulting, training and mentoring in various countries around the world, mainly in the Global South. Together with two other men he leads Frontiers, an international mission that has the vision to pursue movements of disciples and churches among Muslims where the Gospel hasn’t reached yet. He was working in India between 2013-2017 mobilizing and training Indian churches and missions to reach out to Muslims