Kaweesak Chittawatanarat Professor Department of SurgeryFaculty of Medicine, Chiang Mai University1998 Medical degree with first class honor (MD.) Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand 2002 Diploma Board of General Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand 2004 Diploma Board of Critical Care Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand 2007 Certificate of Clinical Fellowship in Colorectal Surgery, National University Hospital of Singapore, Singapore 2012 PhD. in clinical epidemiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand 2013 Certificate Board of Trauma Surgery, Royal College of Surgeons of Thailand. 2021 Certificate Board of Clinical Nutrition, Royal College of Physician of Thailand.Surgical critical care and Trauma surgery Clinical nutrition and surgical metabolism Clinical epidemiology1. 2004 – 2008 Lecturer in Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University 2. 2008 – 2012 Assistant Professor in Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University 3. 2012 – 2019 Associate Professor in Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University 4. 2019 – present Professor in Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University 5. Publication of PubMed (4/4/2024) 71 results H-index 11 6. Administrative committee of Royal College Surgeons of Thailand (RCST) 7. Chief of subcommittee of Fundamental Surgery ,RCST 8. Administrative committee of Thai Parenteral and Enteral Nutrtion of Thailand (SPENT) 9. Administrative committee of Thai Society of Critical Care Medicine.Thailand