Robert W Harelson PsyD,CAS,SAP, is a Substance Abuse Professional (SAP) serving Northern California and Northern Nevada.He has been certified by the American Academy of Health Care Providers in the Addictive Disorders (CAS).Dr. Harelson has been in practice for over 40 years and has conducted substance abuse evaluations for D.O.T. violations,non-D.O.T. work violations, custody disputes, professional association /license violations and out of state court ordered evaluations for drug and alcohol violations. He has served as an expert witness in numerous court proceedings. Dr. Harelson was the first president of the American Association for Marriage and Family Therapy (AAMFT) in California. He is also a California Stae Certified alcohol and drug educator/counselor.Dr. Harelson’s web site is http://www.dot-substanceabuseevaluations.com He can be reached at (925) 639-2555.