Yordanka Borissova Krastev is a lecturer at the School of Public Health, The University of Sydney, Australia and a research fellow at the Bulgarian Center for Bioethics. She holds an MD from Medical University, Pleven (Bulgaria), and a Ph.D. from the Medical University of Sofia (Bulgaria). She specialized in Medical Informatics and Health Management at Medical University - Sofia (Bulgaria). Her key research interests are ethics committees in health care, public health ethics, bioethics, decision-making in research ethics and advanced health care directives.