A BCBA or Board Certified Assistant Behavior Analyst (BCaBA) is a person who has specific training in ABA. In Virginia, Behavior Analysts are required to be licensed to practice ABA therapy. BCBAs have either a Master’s degree in ABA or a post master’s certification in ABA, along with extensive supervision and experience. A BCaBA has similar training and experience, but is at the post Bachelor’s level and all services are supervised by a BCBA.