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Michael Schaffer is the Vice President of Lab Operations at Psychemedics Corporation since April 1999. Prior to that, michael was the Technical Manager at SmithKline Clinical Laboratories from April 1990 to April 1999. michael also served as the Chief Toxicologist and Director of Toxicology at Cook County Medical Examiner's Office from August 1976 to April 1990. With a Ph.D. in Pharmacology and Toxicology, Michael has extensive experience in forensic laboratory operations, drug testing, and expert witness testimony.