He has worked extensively in the areas of co-occurring disorders and mood disorders. He has taught psychology at the gradual level and has conducted training in a range of topics, including Rational Emotive Behavior Therapy, Acceptance and Commitment Therapy, and recovery from substance use, compulsive sexual behavior, and other behavioral addictions. He has extensive online teaching experience. Brock has been active as a SMART Recovery facilitator and regional advisor. His educational background includes a Doctor of Philosophy degree from the University of Southern California with a specialization in educational psychology and a credential in school psychology.