Dr. Yudi Mulyana Hidayat is a consultant in obstetrics and gynaecology. His special interest field is Oncology Gynecology. He has worked at Hasan Sadikin Hospital in Indonesia. He is also a lecturer at the Universitas Padjajaran Bandung. He is a member of the Asia Pasific Gynecology Endoscopy (APAGE), Europian Society of Gynecology Oncology (ESGO), Asian Society Gynecology Oncology (ASGO), International Gynecology Cancer Society (IGCS), World Association Laparascopic Surgery (WALS), and International Society for the Study of Trophoblastic Diseases (ISSTD). He has been trained in the minimal acces surgery in The Global Open University of New Delhi, India. He received his medical degree from the Universitas Padjajaran in October 1989, trained in obstetrics and gynaecology in October 1998, and as a consultant of Oncology and Gynecology in January 2007. His main clinical interest is in ovarian cancer, cervical cancer, and trophoblastic diseases. He has published over 20 peer reviewed articles and over 50 presentations in scientific meeting. He has written for 19 textbooks.