Liam McKeever, PhD, RDN, FASPEN: Dr. McKeever is a clinical nutritional epidemiologist from the University of Illinois at Chicago where he teaches courses in nutritional biochemistry, study design, and integrative pathophysiology. He recently completed a post-doctoral fellowship at the University of Pennsylvania in the Penn Center for Nutrition Science and Medicine. He is also the Director and an Editor-in-Chief for the ASPEN Clinical Guidelines. In this role he serves as the methodologist for all ASPEN Clinical Guidelines. His research interests center on uncovering the nuanced patient-specific consequences of nutrition support in critical illness.