2017 NMSDC Conference and BOE

John Sack
Chief Procurement Officer
CitiGroup, Inc.


John Sack joined Citigroup in August, 2010 and is presently the Chief Procurement Officer and Source-to-Pay Global Process Owner within Citi's Enterprise Supply Chain Organization. In this capacity, Mr. Sack leads an organization responsible for developing and executing Citigroup's source-to-pay strategies and processes globally across all non-compensation categories of spend in support of all Citi Businesses and geographies worldwide.   Prior to joining Citigroup, Mr. Sack led the global technology sourcing and procurement organizations for AIG (2007-2010) and JPMorganChase (2002-2007). Previously, Mr. Sack was a founding member of a sourcing advisory firm based in Philadelphia, PA engaged in sourcing consulting services and B2B e-commerce strategies for small to mid-size enterprises.

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