Harunaga Isaacson was born in Kuma, Japan, in 1965. He studied philosophy and Indology at the University of Groningen (MA 1990), and was awarded a PhD in Sanskrit by the University of Leiden (1995). From Fall 1995 to Summer 2000 he was a post-doctoral research fellow at the Oriental Institute, Oxford University. After holding teaching positions at Hamburg University and the University of Pennsylvania, he was appointed Professor of Classical Indology in the Department of Indian and Tibetan Studies, Asien-Afrika-Institut, Hamburg University, in April 2006. His main research areas are: tantric traditions in pre-13th century South Asia, especially Vajrayāna Buddhism; classical Sanskrit poetry; classical Indian philosophy; and Purāṇic literature. Prof. Isaacson is a member of the board of Indo-Iranian Journal (since 2003) and the Governing Committee of the INDOLOGY Discussion Forum. He is also presently Director of the Nepal Research Centre and General Director of the Nepalese-German Manuscript Cataloguing Project (both positions held since April 2006), funded by the Deutsche Forschungs Gemeinschaft.