Alexander Horstmann is a social anthropologist. He received his PhD from the University of Bielefeld (2000) with a work on Buddhist and Islamic movements in Southern Thailand. He is presently Associate Professor for Southeast Asian Studies at the Department of Cross-Cultural and Regional Studies (ToRS) at the University of Copenhagen.

His research interests include the study of religious and ethnic diversity in Southeast Asia and in a comparative perspective, Islam, Theravada Buddhism, Christianity (especially Pentecostalism and Charismatic Movements), autochthonous religion (spirit beliefs), modernity, violence, and border régimes. He is interested in the manifestations of world religions in the local context and in the encounters of the local and the global, globalization of religion and the impact of modern media.