Jeff Eichhorst received his PhD from the University of Saskatchewan, Saskatoon, Canada, - Department of Pathology and Laboratory Medicine. He is currently the Director of Chemistry, Toxicology and Newborn Screening at the Saskatchewan Disease Control Laboratory in Regina, Canada. His focus has been primarily on forensic and clinical toxicology and the implementation of many different methodologies using tandem mass spectrometry in Toxicology, Clinical Chemistry, Endocrinology and Newborn Screening.