David GreenfieldDavid N. Greenfield, PhD, MS, is the founder and clinical director of The Center for Internet and Technology Addiction and former assistant clinical professor of psychiatry at the University of Connecticut School of Medicine, and consulting medical drector at Lifeskills South Florida. He is a leading authority on behavioral and process addiction, Internet and screen behavior, and the treatment of Internet and video game addiction, and is author of Virtual Addiction. Read More Read Less