Learn the keys to how ordinary people accomplish extraordinary things after traumatic upheaval with David B. Feldman, PhD and Lee Daniel Kravetz and their brilliant, thought-provoking guide to living more fully, Supersurvivors: The Surprising Link Between Suffering and Success. Widely considered to be among the top experts on hope in the field of psychology, David B. Feldman, PhD has had writing appear in Psychology Today and the Huffington Post. Lee Daniel Kravetz is a San Francisco-based MFTi psychotherapist who has written for print and television, including The New York Times and PBS.