David (Jianjun) Li currently serves as the Executive Director of Biostatistics at Eisai US since April 2019. Prior to this role, David held several positions at Pfizer, including Director and Associate Director from February 2008 to March 2019. David began his career as a Statistician at Merck from 2001 to 2008. Educationally, David has a background from Purdue University and East China Normal University (ECNU).
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