Leaf, Caroline: - Dr. Caroline Leaf is a communication pathologist and cognitive neuroscientist whose passion is to help people see the power of the mind to change the brain and find their purpose in life. She is the author of Switch On Your Brain, Think and Eat Yourself Smart, The Perfect You, and Think, Learn, Succeed, among many other books and journal articles, and her videos, podcasts, and TV episodes have reached millions globally. She currently teaches at various academic, medical, and neuroscience conferences, as well as in churches around the world. Dr. Leaf and her husband, Mac, live with their four children in Dallas and Los Angeles.