Scientific Advisors



Adam is an Intensivist and internationally recognized expert in critical care nutrition. He currently serves as Senior Staff Specialist, Head of Intensive Care Unit Research, and Deputy Director Intensive Care Unit at The Royal Melbourne Hospital in Melbourne, Australia. He also holds a part-time clinician Fellowship with the National Health and Medical Research Council (NHMRC) and honorary positions as an Associate Professor at the University of Melbourne; University of Adelaide, the George Institute for Global Health (University of NSW), and the Mater Research Institute (University of Queensland). From 2008 to 2016, Adam was a staff physician at Royal Adelaide Hospital and held associated academic appointments at the University of Adelaide. He is the author of > 100 peer-reviewed publications, including sentinel papers in enteral feeding intolerance, gastric emptying and nutrient absorption in critical illness. Adam completed his undergraduate medical degree at the University of Melbourne. Following this he undertook training in Internal Medicine and Intensive Care Medicine at St. Vincent’s Hospital, Melbourne and fellowships with the Royal Australian College of Physicians and College of Intensive Care Medicine. He subsequently completed a fellowship at the John Radcliffe Hospital, Oxford (UK) and PhD at University of Adelaide in 2012.

William J. Evans, Ph.D

William J. Evans is an Adjunct Professor of Medicine at the Duke University Medical Center in Durham, NC and Adjunct Professor of Human Nutrition in the Department of Nutritional Sciences at the University of California, Berkeley. Prior to these appointments, he was Vice President and Head of the Muscle Metabolism Discovery Unit at GlaxoSmithKline. From 1997-2009, he was the Warmack Chair of Nutritional Longevity and director of the Nutrition, Metabolism, and Exercise Laboratory in the Reynolds Institute on Aging at the University of Arkansas for Medical Sciences. From 1993-1997, Bill served as the director of the Noll Physiological Research Center and Professor of Nutrition at the Pennsylvania State University, and 1982 to 1993, as Chief of the Human Physiology Laboratory at the U.S.D.A. Human Nutrition Research Center on Aging at Tufts University. His research has examined the effects of bed rest on body composition, muscle metabolism, and, functional capacity in old men and women; biomarkers for changes in muscle mass and function; and, the etiology of late life muscular dysfunction. He is a founding member of the Society on Sarcopenia, Cachexia, and Wasting Disorders.

Daren Heyland, MD

Dr. Daren Heyland is Professor of Medicine and Epidemiology at Queen’s University, Kingston, Ontario Canada. He is trained in Internal Medicine, Critical Care Medicine, and Clinical Epidemiology. He currently serves as the Director of the Clinical Evaluation Research Unit at the Kingston General Hospital which functions as a methods center for multicenter clinical research ( Daren is recognized as an international authority on critical care nutrition. He has conducted over 20 randomized trials, published approximately 300 peer-reviewed papers, raised more than $100 million in external grant support and made over 300 international presentations. He has also organized and chaired systematic reviews of nutrition support practices to develop and implement evidence-based clinical practice guidelines across the world. Daren is lead author of the Canadian Critical Care Nutrition clinical practice guidelines, principal investigator on a number of large scale multicenter clinical nutrition research projects, and, sponsor of the International nutritional survey, which audits nutrition practices worldwide every year.

Stephen A. McClave, MD

Dr. McClave is Professor of Medicine and Director of Clinical Nutrition at the University of Louisville School of Medicine. He is a past chairman of the Medical Practice Section of the American Society of Parenteral and Enteral Nutrition (ASPEN), he served on its National Nutrition Week Planning Committee, and he was its Associate Editor for Nutrition in Clinical Practice. He is a Past President of the ASPEN Board of Directors and was co-chairman and lead author of both the 2009 and the 2016 ASPEN/SCCM Guidelines for Nutrition in the Adult Critically Ill Patient. He is a Diplomat and Past-President of the National Board of Physician Nutrition Specialists and has remained on their board since. He was a member of the ASGE Task Force for Enteral Nutrition and was the past Chairman of the ASGE Special Interest Group in Enteral Nutrition. He was the Co-chairman and lead author for the 2016 ACG Guidelines on Nutrition Therapy of the Adult Hospitalized Patient. He was awarded the Honorary Lifetime Membership of the Academy of Nutrition and Dietetics. He is a fellow of ASPEN, ACN, AGA, and the ASGE. Dr. McClave received his M.D. from Ohio State University, completed his Internal Medicine Residency and Chief Residency at the Medical University of South Carolina in Charleston, South Carolina, and his Gastroenterology Fellowship at the University of South Florida in Tampa, Florida. He is author of over 230 articles, 40 book chapters, and numerous medical educational videotapes. His research interests and clinical expertise involve critical care nutrition and early enteral feeding, guidelines for nutrition therapy, endoscopic techniques for enteral access, and indirect calorimetry.

Zudin Puthucheary, MD

Zudin Puthucheary is a respiratory and critical care physician whose interest is in muscle biology in critical illness. He leads the MUSCLE-UK study on acute muscle wasting and recovery. He has won awards for his research from the European Societies of Intensive Care Medicine and Anesthesia, the British Thoracic Society, and, the Intensive Care Society, and was recently named a Global Rising Star by the Australia and New Zealand Intensive Care Society. Zudin graduated from Nottingham University in 1997. He is currently a Consultant at the Royal Brompton Hospital in London and served previously as a Consultant at National University Hospital Singapore. He has published 61 papers and book chapters in the areas of critical care and muscle function.

Pierre Singer, MD

Dr. Singer is Director of the General Intensive Care Department, Rabin Medical Center, Beilinson Campus, Petach Tikva, Israel (1995-present), Head of the Institute of Nutrition Research at Rabin Medical Center (2006-present), Director of the Laboratory of Metabolism and Nutrition at the Felsenstein Medical Research Center and Full Professor of Anesthesia and Intensive Care at the Sackler School of Medicine, Tel Aviv University. He is the co-chairman of the ESPEN Guidelines editorial board (2014-2018) and director of the Israel Intensive Care Clinical Trials Network. Dr. Singer was President of the Israel Society of Intensive Care Medicine (2000-2004), Israel Society for Clinical Nutrition (ISCN) from 2005-2009, Chairman of the Department of Anesthesia and Intensive Care, Sackler school of Medicine, Tel Aviv University (2009-2013), and Chairman of the European Society for Clinical Nutrition and Metabolism (ESPEN) (2010-2014). He has over 35 years of clinical and academic experience and has held senior editorial roles at journals including Intensive Care Medicine, Clinical Nutrition, Clinical Nutrition Experimental, Nutrition, Nutrition in Clinical Practice and JPEN. His research interests center around nutrition and metabolism, sepsis, respiratory disorders & technologies. He has been chairman of the annual Israel Nutrition Week since 2002, and Chair of the Nutrition chapter of the Israel council for nutrition, gastroenterology and hepatology since 2015. He is co-principal author of the teaching modules on Nutrition in the ICU from ESPEN (LLL) and ESICM (PACT) as well as the ESPEN 2009 Parenteral Nutrition in the ICU guidelines and the ESPEN: Nutrition in the ICU 2017 guidelines. Dr. Singer has published more than 140 original articles, 55 review articles, 36 book chapters, and over 300 abstracts. He is editor of “Nutrition in the ICU: beyond physiology” (Karger) and a coeditor of the Encyclopedia of Nutrition (Elsevier).

Paul E. Wischmeyer, MD, EDIC

Paul E. Wischmeyer is a perioperative, critical care, and nutrition physician. He serves as a Professor of Anesthesiology and Surgery at Duke University School of Medicine, Associate Vice Chair for Clinical Research in the Dept. of Anesthesiology, Co-Director of the Nutrition Team at Duke Hospital, and Director of Perioperative Research at the Duke Clinical Research Institute. His clinical and research focus is perioperative care, critical care, and nutrition to help patients prepare and recover from illness and surgery. Dr. Wischmeyer Is the recipient of the Jeffrey Silverstein Award from the American Delirium Society, the Stanley Dudrick Research Scholar Award by the American Society for Parenteral and Enteral Nutrition, and the Lifetime Achievement Award of the International Parenteral Nutrition Education and Methodology. Dr Wischmeyer has over 125 peer-reviewed publications in critical care, anesthesiology, and nutrition (with an H-index of 46). He has been an invited speaker at numerous national and international medical meetings. He earned his medical degree with honors at The University of Chicago Pritzker School of Medicine in IL. He completed his residency in anesthesiology/critical care, fellowship in clinical pharmacology, and the NIH K30 Clinical Research Scientist Training Program at The University of Chicago.