Mary C. Politi, PhD, is a health psychologist and an associate professor in the Division of Public Health Sciences, Department of Surgery at Washington University in St. Louis. Her work aims to help patients and the public understand health information, explore what is important to them when making health decisions, and collaborate to make evidence-informed decisions that meet their needs. She also works with healthcare professionals, public health advocates, and members of the public interested in training in shared decision-making and patient engagement in healthcare. Her research includes a focus on eliminating health disparities by engaging communities with unmet health needs and including them in both research and dissemination efforts.