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Patrick J. Zenner

Chairman of the Board - West; Retired President and Chief Executive Officer of Hoffmann-La Roche Inc.
West Pharma


Mr. Zenner was elected Chairman of the Board effective July 1, 2015. He retired from Hoffmann-La Roche Inc., North America—the prescription drug unit of the Roche Group, a leading research-based healthcare enterprise—in 2001, where he served as President and Chief Executive Officer from 1993 to 2001. He served as Interim Chief Executive Officer of CuraGen Corporation from May 2005 through March 2006. Since then, Mr. Zenner was a director and Chairman of the Board of Exact Sciences Corporation until July 2010, and served as its Interim CEO from July 2007 to March 2008. Currently, Mr. Zenner serves as Chairman of the Board and a director of ArQule, Inc., and was recently elected to the Board of Directors of Selecta Biosciences, Inc.

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