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Heather L. Arnold
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Gopi Menon, M.S.Ch.E.
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Colleen Carkeet, PhD
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Steve Missler, PhD
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Lynne Connor, PhD
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Mary Murray, Ph.D.
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KaLee Dahlin, MS
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Mark Proefke, PhD
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Audra Davies, M.S.
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Don Pusateri, M.S.
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Pete DeBus
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Shyam Ramakrishnan, PhD
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Kevin Gellenbeck, Ph.D.
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Keith Randolph, Ph.D.
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Kerry Grann, DrPH
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Kevin Robinson
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David G. Groh
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Lisa Rozga
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Chioma Ikonte, PhD
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Jeffrey Scholten, PhD
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Rodney Johnson, M.S.
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Micheline Vargas, DrPH, RCEP
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Marc Lemay, PhD
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Zachary Wahl
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Yingqin Li, MS
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Jean Wang, PhD
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Yumei Lin, PhD
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Bill Luke
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Senior Group Leader: Analytical Services - Chemistry
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Mark leads the Chemistry group supporting NUTRILITE™ product development with analytical methodologies ensuring the development of high quality products. He obtained his doctorate in Analytical Chemistry studying natural products by mass spectrometry and brings 20 years experience from the pharmaceutical industry working in discovery and development roles. Mark is a member of the American Chemical Society, American Society of Mass Spectrometry, and AOAC International.