I am the president and founder of Stephen W. May LLC a professional training company serving the New England area. I am primarily responsible for program development and curriculum delivery for the company.I consider myself to be a well known leader in the field of drug and alcohol impairment. I bring over 20 years of instructor experience to my company. I am retired police lieutenant and former statewide coordinator of Standardized Field Sobriety Testing, Breath Testing and Speed Measurement for the Massachusetts Municipal Police Training Committee, I have trained thousands of police officers at all levels across the Commonwealth of Massachusetts. I was fortunate to have been selected to participate in a multi-year private sector marijuana and impairment research at a major teaching hospital in Boston and a study of medicinal marijuana for the Massachusetts Department of Public Health. I have also co-authored a published research paper investigating a smart phone/tablet app as a rapid screening assessment for alcohol impairment.In 2006 I was certified as a Drug Recognition Expert by the International Association of Chiefs of Police and continues to maintain that certification. I have been qualified as an expert witness in alcohol and drug impairment by courts in Essex, Middlesex and Suffolk counties.I hold a Master's Degree in Criminal Justice Administration from Western New England University. In addition, I have received multiple awards from MADD for excellence and leadership in education and enforcement efforts in the detection, identification and prosecution of alcohol and drug impaired drivers.