Chris Heartsill received his B.S. degree in Chemistry from East Central University in 1991. Mr. Heartsill has been working in analytical chemistry for over 23 years with more than 20 years forensic science experience including the areas of human performance forensic toxicology, postmortem forensic toxicology, and forensic laboratory quality management. Mr. Heartsill is currently the Quality Manager for the Tarrant County Medical Examiner’s Office in Fort Worth, Texas. Prior to coming to Tarrant County in 2013, he served as Toxicology Supervisor, Toxicologist, Quality Manager, and Breath Testing Technical Supervisor at the Dallas County Medical Examiner’s Office in Dallas, Texas. He is currently certified by the American Board of Forensic Toxicology as a Diplomate - Forensic Toxicology. Mr. Heartsill is an active member of the Society of Forensic Toxicologists, Southwestern Association of Toxicologists, Texas Association of Crime Laboratory Directors, National Safety Council Alcohol, Drugs & Impairment Division, and the Association of Forensic Quality Assurance Managers. Mr. Heartsill currently serves on several committees regarding the advancement of forensic science from a local and national perspective as well as being actively involved in the accreditation of forensic laboratories through activities with the American Society of Laboratory Directors – Laboratory Accreditation Board (ASCLD/LAB), and is currently a Lead Assessor for ASCLD/LAB.