The American Psychiatric Association, founded in 1844, is the world’s largest psychiatric organization. It is a medical specialty society representing approximately 36,000 psychiatric physicians from the United States and around the world. Its member physicians work together to ensure humane care and effective treatment for all persons with mental disorders, including intellectual disability and substance-related disorders. APA is the voice and conscience of modern psychiatry. Come and join your colleagues from across the U.S. and over 50 other countries for the psychiatry event of the year! The 164th Annual Meeting of the American Psychiatric Association is May 14-18, 2011 and it will be held in Honolulu, Hawaii, the Aloha State.