David L. Loughmiller, MBA, MT(ASCP), SC(ASCP) is a medical laboratory scientist, forensic toxicologist, educator, and consultant with more than four decades of experience in clinical laboratory science and forensic toxicology. He holds a Bachelor of Science in Medical Technology from Boise State University and an MBA from the University of Phoenix. He is board certified as a Medical Technologist and as a Specialist in Chemistry by the American Society for Clinical Pathology. Mr. Loughmiller has held leadership positions in hospital, forensic, and reference laboratories, including GC/MS Manager, Laboratory Supervisor, Laboratory Manager, and Laboratory Certifying Officer. He currently serves as a toxicology consultant for Beechtree Diagnostics Laboratory and operates Loughmiller Consulting, providing expert interpretation of toxicology results, laboratory consultation, and expert witness testimony. A respected educator, Mr. Loughmiller has taught clinical chemistry and toxicology at Utah Tech University, Dixie Technical College, and Brigham Young University, and has delivered numerous lectures on drug testing, mass spectrometry, specimen validity, and forensic toxicology. He has authored peer-reviewed publications in the Journal of Analytical Toxicology, Clinical Chemistry and other professional journals, contributed to CLSI toxicology standards, and has extensive experience providing expert testimony in forensic and clinical toxicology cases.