I have been in the Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University since 1982. After I got DVM (Hons) in 1979, from the Faculty of Veterinary Science, Chulalongkorn University, FRVCS in Vet. Pathology from Swedish Agricultural University, Uppsala, Sweden in 1984 and PhD in Veterinary Pathology from Kagoshima University, Japan in 1994. In 2006. I was a visiting professor in Michigan State University (MSU), USA and joining the ACVP Pathology initiative group, 2010. I am now the head of Animal Oncology Center in the Innovative Center for the teaching and service in Companion Animal in my Faculty. I recieved the outstanding teacher award of my university, in March 2010.