SCOTT GRAFTON holds the Bedrosian Coyne Presidential Chair in Neuroscience at the University of California Santa Barbara. He is director of the UCSB Brain Imaging Center, and codirector at the Institute for Collaborative Biotechnologies, which draws on bio-inspiration and innovative bioengineering solutions for both nonmedical and medical challenges posed by the defence and medical communities. He got his medical degree at the University of Southern California and his specialty is in neurology and nuclear medicine. In his spare time he is a keen mountain climber and trekker. He lives in Santa Barbara with his wife and children.