Find out more about Henderson’s work at shyness.com.Foreword writer Philip G. Zimbardo, PhD, is an internationally recognized scholar, educator, researcher, and media personality. He has won numerous awards and honors in each of these domains. He has been a Stanford University professor since 1968, having taught previously at Yale, NYU, and Columbia. Zimbardo's career is noted for his popular PBS-TV series, Discovering Psychology, along with many text and trade books. He was recently president of the American Psychological Association.