Behavior Analysts practicing in Arizona must be licensed.  Our current state licensing board is the Arizona Board of Psychologist Examiners.
https://psychboard.az.gov/about

BACB

The Behavior Analyst Certification Board (BACB) is the international standard for certifying BCBAs and BCBAs. Visit their website to learn about how to become certified, as well as review important information for certified practitioners.
https://www.bacb.com/about/

ABAI

Since 1974, the Association for Behavior Analysis International (ABAI) has been the primary membership organization for those interested in the philosophy, science, application, and teaching of behavior analysis. Visit their website for information about their annual conference, scientific journals, and more.
https://www.abainternational.org/about-us.aspx

ABPA