Christine Poulos, PhD is Senior Economist and Global Head of Health Preference Assessment at RTI Health Solutions, Research Triangle Park, NC, USA. She has more than 20 years of academic, research, and government experience in health and environmental economics. She is an expert in the design of stated preference surveys and she has extensive experience in applying stated preference methods to measuring the benefit-risk preferences of patients and other health care decision makers. Her most recent work has applied these studies to support decision making throughout the clinical product development cycle for treatments for conditions including severe emphysema, Alzheimers’ disease, multiple sclerosis, endometriosis, type 2 diabetes, and infectious diseases. She is currently Co-Chair for the Health Preference Research Special Interest Group of the International Society for Pharmacoeconomics and Outcomes Research (ISPOR). Her research has been published in numerous health outcomes and medical journals.