This document provides credentials for several experts on drug and alcohol rehab centers. It lists the names and educational backgrounds of Barry Lessin with degrees from Temple University and Penn State, Roger A. Roffman from the University of Michigan and UC Berkeley, Alexis Stein as a licensed clinical social worker with degrees from UPenn and Fordham, Robert Weiss as a licensed clinical social worker and substance abuse counselor with a degree from UCLA, Mitch Earleywine with a PhD from Indiana University, and Arthur P. Ciaramicoli with EdD and PhD degrees from UMass Amherst.