David Greenfield

David Greenfield, Ph.D., a psychologist and marriage and family therapist, is an expert on Internet addiction. He founded Psychological Health Associates, a private multidisciplinary behavioral health practice in Connecticut. His interest in the subject began when he found himself treating couples who were suffering from Internet-related marital problems, such as on-line infidelity. He has conducted one of the largest and most comprehensive online surveys of Internet addiction in conjunction...See more