The California Chapter of the American Planning Association (CCAPA) is the premier professional organization for professional and citizen planners.

American Psychiatric Association

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The American Psychological Association (APA) is a scientific and professional organization that represents psychologists in the United States. APA educates the public about psychology, behavioral science, and mental health; promotes psychological science and practice; fosters the education and training of psychological scientists, practitioners and educators; advocates for psychological knowledge and practice to inform public policy; and champions the application of psychology to promote human rights, health, well-being and dignity.