I am currently appointed as Head of Cluster Human Cancer Research Center IMERI, and Academic Staff of Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, University of Indonesia Dr Cipto Mangunkusumo, Jakarta Indonesia. I have involved and conducted several epidemiological and clinical studies. I have been interested in investigating the environmental and the genetic risk factors of colorectal malignancy and IBD. I have also some experience working with displace people in the disaster area.