Dr. Karpeisky earned his Doctorate degree in Organic Chemistry from the N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia. He most recently served as Senior Scientist at Transgenomic, Inc., where he was responsible for scale-up, process development and technology transfer to outside manufacturing facilities of standard and highly modified monomers for oligonucleotide synthesis. From 1993 to 2002 Dr. Karpeisky held various positions from Scientist to a Senior Group Leader at Ribozyme Pharmaceuticals, Inc (now Sirna Therapeutics) where he made a substantial contribution to therapeutic ribozymes design, mechanism of action and structure-activity relationships. Prior to 1993 he was a Research Scientist and a Group Leader at the Laboratory of Biotechnology, Institute of Bioorganic Chemistry, Russian Academy of Sciences, working on novel nucleoside analogs with antiviral/anticancer activity. He also was one of the founders of ChimTech, Ltd, Moscow, Russia, one of the first Russian biopharmaceuticals private enterprises, where he also served as a Senior Scientist. Dr. Karpeisky has authored and coauthored 50 papers and 35 patents

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