Fiastuti Witjaksono was born at Yogyakarta in 1954. She graduated as a medical doctor from Faculty of Medicine Universitas Indonesia in 1979, and finished her master program of Public Health in 1992. She pursued further education in Clinical Nutrition and became specialist of Clinical Nutrition from The Collegium of Clinical Nutrition in 2004. She actively involved in the Faculty as a staff lecturer in the Clinical Nutrition Department of FMUI. She is also involved in organization such as Indonesian Medical Doctor Nutrition Society and Indonesian Clinical Doctor Nutrition Society. In CME CPD FMUI, her role is to conduct regular scientific activities, such as KPPIK and ISCMCN.