Doubly Labeled Water Method

Detailed Faculty Information

Dale Schoeller, PhD

Dr. Schoeller is Professor of Nutritional Sciences at the University Wisconsin-Madison and a previous President of the American Society of Clinical Nutrition. He was the first to use the method in humans beginning in 1977 and has performed studies in every age group and encountered dozens of ambient conditions. He has investigated the effects of disease, inactivity, intense physical activity, growth and malnutrition. He received the Mead-Johnson award for young investigators, the Atwater Award in Nutrition and Hermann Award for Clinical Research.

John Speakman, DSc

Dr. Speakman is director of the Institute of Biological and Environmental Sciences at the University of Aberdeen, in Scotland, UK. He the first addressed the theoretical underpinnings of the DLW method in the early 1980s, has applied the method to a whole range of different animals, from Drosophila weighing 1mg to Walrus weighing 1000 kg, and recently undertook studies of human energy demands. He received the Zoological Society of London scientific medal, the Saltire society Scottish Science medal and is the Bing Zhi forum professor for 2010 at the Chinese Academy of Sciences. His book on the doubly labeled water method published in 1997 is one of the all time worst sellers on the Amazon.com rankings.

Klaas Westerterp, PhD

Dr. Westerterp is professor of Human Energetics at Maastricht University. He started measuring energy expenditure with DLW in free ranging birds in 1977 and has since applied the method to almost every aspect of bioenergetics. Among his present fields of interest are human energy metabolism and body weight regulation, with special emphasis on observations in daily living conditions combining the use of accelerometers with DLW.

Gertjan van Dijk, PhD

Dr. van Dirk is professor of Integrative Neurobiology of Energy Balance since 2006 at the University of Groningen (RuG, the Netherlands), and recently appointed unit head of the Neuroendocrinology group at the RuG Center for Behavior and Neurosciences. In 2008, he started co-managing the Biomedical Division of the neighboring RuG Center for Isotope Research of the University of Groningen, where his primary task is to apply, develop, and service the DLW method.

Peter Walter,PhD

Dr. Walter is director of the clinical core stable isotope mass spectrometry laboratory of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) at the National Institutes of Health (NIH). He has extensive experience in the application of isotope ratio mass spectrometry to clinical and human environmental exposure studies. His present research involves multiple DLW studies as well as metabolic flux studies utilizing other stable isotope tracers.

Yosuke Yamada, PhD

Dr. Yamada is currently a Postdoctoral Research Associate at Institute for Physical Activity at Fukuoka University in Japan. He has received training in the use of DLW at UW-Madison and recently completed establishing his doubly labeled water laboratory. He has applied the DLW method to the study of aging in humans and primates.

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