Johnna Medina graduated from Stanford University in June 2009, with a Bachelor of Arts (B.A.) in Art Practice and a Bachelor of Arts (B.A.) in Psychology. After graduating, Johnna worked at the VA Palo Alto Health Care System as a research assistant in Dr. Marcel Bonn-Miller’s Substance Abuse and Anxiety Program on a study examining the effect that PTSD has on marijuana use treatment outcome among veterans. Johnna received her Master’s Degree (M.A.) from Southern Methodist University in clinical psychology in 2013, and is currently working on her doctorate degree under Dr. Jasper Smits at the University of Texas at Austin. Johnna’s main research interests include the identification of biobehavioral mechanisms contributing to substance use and anxiety disorders (e.g., low distress tolerance, cortisol concentrations), and the investigation of augmentative treatment strategies (e.g., aerobic exercise, yoga) to standard CBT that can target them.