David Gruben is a statistician currently serving as a Senior Director at Pfizer since 2004. Prior to this role, David worked as a Manager and Statistician at Johnson & Johnson from 2001 to 2003, and as a Statistician at SmithKline Beecham from 1989 to 2001. Additionally, David moderated for BooksForSoldiers from 2003 to 2020.
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