Dr Greg Simons holds a doctoral degree from the University of Canterbury in New Zealand. He is currently employed at Crismart (Crisis Management Research and Training) in the Swedish National Defence College and at the Uppsala Centre for Russian and Eurasian Studies (Uppsala University). Professor David Westerlund has a Ph.D. degree in the History of Religions from Stockholm University. He is Professor in the Study of Religions at Södertörn University in Stockholm. His research interests include modern Islam and Christianty, particularly Pentecostalism, in Africa and Europe. Thematically, he is specialised on issues of religion and health, inter-religious relations, religion and politics, historiography and religious revival movements.