Gregory Janis is the Scientific Director at MEDTOX Laboratories and a mass spectrometry co-discipline director for Laboratory Corporation of America. He oversees the development and validation of analytical techniques for the analysis pharmaceuticals, drugs of abuse, and toxins in biological samples. He additionally oversees the application of many of these tests for the purpose of therapeutic drug monitoring, pain management, and toxicology testing. He has nearly 20 years of experience in developing and utilizing chromatography and mass spectrometry based techniques for pharmaceutical, drug, and toxin analysis. Gregory has formal training in Chemistry, Toxicology, and Pharmacology from Virginia Tech, the University of North Carolina-Chapel Hill, and Boston University.