A geographer and an Indonesianist by training, David Henley has a broad range of research interests spanning the politics, history, geography and sociology of Southeast Asia, particularly Indonesia. Within Indonesia he has a special interest the island of Sulawesi. Professor Henley published on the subjects of nationalism, regionalism, and ethnicity; on environmental, demographic and agricultural history; on sustainability and natural resource management; on state formation and colonial expansion; on political institutions and ideology; on economic development and finance; and on the comparative economic histories of Southeast Asia and Sub-Saharan Africa. His most recent research has been on the politics of religious sound in Indonesia, on Southeast Asian regional identity, and on cultures of the human body in Southeast and Northeast Asia.