His research focuses on exercise, nutrition and muscle metabolism with emphasis on protein nutrition and metabolism in athletes, healthy volunteers and clinical populations. He has presented at numerous international conferences on topics related to exercise, nutrition and health. His interest in exercise science and nutrition extends to the application of the science of nutrition to athletic populations, including the military. He served on the USA National Academy of Science’s, Institute of Medicine, Committee for Military Nutrition Research. He has helped develop sports nutrition consensus statements for the IOC, FIFA, FINA and IAAF and has served on the UK Sport Nutritional Supplements Advisory Board. When not working he enjoys walking in the Scottish hills with his dog, Reiver.