Dr. Yifrah Kaminer main interest has been focusing on clinical research of the assessment, treatment and continuity of care of substance use disorders in youth. He has special interest in co-occurring depressive disorders. He has received US research funding from NIAAA, NIDA, and CSAT and his research team developed treatment and continued care manuals including the MET and CBT manuals for the Multisite Cannabis Youth Treatment (CYT) study. Dr. Kaminer has developed several rating scales including: the Teen Addiction Severity Index (T-ASI), the Teen Treatment Services Review (T-TSR) and the Adolescent Substance Abuse and Goal Commitment questionnaire (ASAGC-Q). He authored 150 scientific publications, served as a guest editor of 4 special issues on adolescent substance abuse and published 5 books including: a) Brief Telephone Continuing Care Therapy for Adolescents, Hazelden, (2010); b) Clinical Manual of Adolescent Substance Abuse Treatment, American Psychiatric Publishing (2011); c) Youth substance abuse and co-occurring disorders, American Psychiatric Publishing (2016). Dr. Kaminer is the coordinator of the Youth Treatment Section of the advisory board of the Research Society on Marijuana (RSMj) and is on the clinical advisory board of Smart Approach to marijuana (SAM).