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Since 1998


United States


John E. Klein

President and CEO of Polarex
Former Chair of Cognizant’s Board of Directors

John E. Klein was elected to Cognizant’s Board of Directors in March 1998 and served as the Chair of the Board from December 2003 to September 2018. He currently serves as President and Chief Executive Officer of Polarex, Inc., a technology consulting firm, where he has been employed since 1994.

Among his previous positions are President and Chief Executive Officer of MDIS Group PLC (now Northgate Information Solutions, plc), a U.K.-listed software and services company and Vice President at both International Business Machines Corporation and Digital Equipment Corporation. He previously served as Chair of the Board of Directors of both Glovia International, Inc. and PRO IV Ltd., two enterprise software and services companies.

John holds a Bachelor of Science degree from the U.S. Merchant Marine Academy and an MBA degree from New York University.