Dr. Klein is currently an adjunct professor with the University of Hawaii, Manoa and previously was head of the Chemical Terrorism Response Lab (part of the Centers for Disease Control Laboratory Response Network) in Texas. In addition to his own wide range of research interests, Dr. Klein's lab is focused on three major instrument platforms; inductively coupled plasma-mass spectrometry, gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry. Students work in a supportive environment to learn the principles of analytical chemistry as applied to a wide variety of problems as suits their interests. The Analytical Toxicology Lab in the Department of Environmental Toxicology has collaborated with researchers across Texas Tech and the Texas Tech Health Sciences Center. No matter what the analytical needs, there is expertise and willingness to provide support for the research.