Dr. David Greenfield, Ph.D.

Dr. David Greenfield is the founder of The Center for Internet and Technology Addiction and Assistant Clinical Professor of Psychiatry at the University of Connecticut School of Medicine where teaches in the psychiatry residency program courses on Sexual Medicine and Internet Addiction. He is recognized as one of the world’s leading voices on process and behavioral addictions and is author of Virtual Addiction, which rang an early warning bell regarding the country’s growing Internet Addiction problem as well as numerous medical journal articles and book chapters; he also serves as an editor for numerous psychiatric and addiction journals.

Dr. Greenfield lectures to public and medical groups throughout the world, and has appeared on CNN, Good Morning America, The Today Show, Fox News, ESPN, NPR and HBO. His work has been featured in U.S. News and World Report, Newsweek, People, Time, Washington Post, Wall Street Journal, and The Economist.  He is widely credited with popularizing the variable ratio reinforcement schedule of process addiction and the dopamine-behavioral addiction connection.

Dr. Greenfield’s recent research and clinical work is focused on the neurobiology and psychopharmacology of compulsive Internet and technology use, behavioral addiction medicine, and compulsive Smartphone use.  Dr. Greenfield is a member of the American Society for Addiction Medicine, Fellow and Past-president of the Connecticut Psychological Association, The Sexual Medicine Society of North America, and American Society for the Advancement of Pharmacotherapy. He received his doctorate in Psychology from Texas Tech University and recently completely his post-doctoral training in Clinical Psychopharmacology.  He resides and maintains an addiction medicine practice in Connecticut.