Dr. James Lessenger has practiced occupational and environmental medicine for more than two decades in California's San Joaquin Valley. In addition to keeping an active clinical practice, Lessenger is a Medical Review Officer on drug testing for the Department of Transportation and a consultant to many corporations and companies on drug testing, workplace drug issues, and industrial injuries. Dr. Lessenger has been a consultant to the Tulare County drug court since its inception in 1996 and was responsible for an exhaustive review of the system in 2001.