Dr. Nicholas T. Lappas, an Associate Professor Emeritus in the Department of Forensic Sciences at the George Washington University, has extensive experience and demonstrated expertise in both the teaching and practice of forensic toxicology. In 1975, Dr. Lappas, was one of the first two full time faculty members appointed to the faculty of the Department of Forensic Sciences at the George Washington University. Prior to this appointment, he was a forensic toxicologist in the Allegheny Coroner’s Office in Pittsburgh, Pennsylvania. At GWU, he developed the MFS program in forensic toxicology, through which he has mentored hundreds of students and taught several graduate courses, including Forensic Toxicology, Analytical Toxicology, Medicinal Chemistry and Forensic Serology. Dr. Lappas’ research interests have been focused on the development of analytical toxicology methods and the evaluation of factors that influence the interpretation of analytical toxicology results. His professional activities include serving as a forensic toxicology consultant in more than 500 criminal and civil cases and as an expert witness in more than 100 cases.