Dr Aaron Frost is a Clinical Psychologist with over 20 years’ experience working in clinical research and teaching settings. For over a decade, Aaron has been a passionate advocate for the importance of outcome evaluation in therapy and has recently released the ten item version of the Depression Anxiety Stress Scale (DASS-10).  He launched Benchmark Psychology, (a large private practice) around principles of routine outcome evaluation and consults widely for government, NGOs, and the private sector on how to improve client outcomes.  Aaron is supervisor in deliberate practice, a certified trainer with the International Centre for Clinical Excellence and was awarded a Fellowship of the APS for his advocacy around client outcomes and return on investment methodologies.