Keiko Miura had worked in the Culture Unit of UNESCO Office in Cambodia from 1992 to 1998, with approximately 6-month interval working with UNESCO/Japan Funds-in-Trust project (JSA) for archaeological and anthropological work.
After resigning UNESCO, she became engaged in a Ph. D research on the relationship between Angkor heritage and local communities at the Dept. of Social Anthropology, School of Oriental and African Studies, University of London. On completing her Ph. D in 2004 she has been teaching at several Japanese universities while conducting a follow-up research in Angkor and a Balinese agriculture and rituals.