Rahul Jandial, MD, PhD. is an American dual-trained neurosurgeon and scientist at City of Hope, a research centre, hospital and postgraduate training faculty in Los Angeles. When he isn't performing surgery he is leading a team of scientists in Jandial Laboratory, named after him and known for its cutting-edge approach to brain surgery and neuroscience.

In addition to being a world-class surgeon and scientist, Dr Jandial is the author of ten academic books and over 100 papers, but Neurofitness is his first book for a general audience. He has appeared on Today and Nightline, both of which are American news shows, and also on programmes on the American television channels Discovery, and National Geographic, amongst others. He has also written first-person columns for VICE, a magazine and website focused on the arts, culture and current news topics.