Dr. Daniel Eichner is President and Director of the Sports Medicine Research & Testing Laboratory (SMRTL) in Salt Lake City. He discusses the benefits and limitations of using dried blood spot sampling and sample collection via exhaled breath and oral fluids, as well as recent field trials with these technologies. He also shares his experiences running a WADA-accredited lab that does research and routine testing, developing new tests for biomarkers of doping, and current anti-doping research priorities.