Nutrilite
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Two Nutrilite scientists studying plant in the farm field
scientists


Heather L. Arnold Gopi Menon, M.S.Ch.E.
Colleen Carkeet, PhD Steve Missler, PhD
Lynne Connor, PhD Mary Murray, Ph.D.
KaLee Dahlin, MS Mark Proefke, PhD
Audra Davies, M.S. Don Pusateri, M.S.
Pete DeBus Shyam Ramakrishnan, PhD
Kevin Gellenbeck, Ph.D. Keith Randolph, Ph.D.
Kerry Grann, DrPH Kevin Robinson
David G. Groh Lisa Rozga
Chioma Ikonte, PhD Jeffrey Scholten, PhD
Rodney Johnson, M.S. Micheline Vargas, DrPH, RCEP
Marc Lemay, PhD Zachary Wahl
Yingqin Li, MS Jean Wang, PhD
Yumei Lin, PhD Bill Luke



Mark Proefke, PhD
Senior Group Leader: Analytical Services - Chemistry

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.

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