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Gregory J. Martonick is an accomplished tax professional with extensive experience in the field. Currently serving as Vice President of Tax at Freeport-McMoRan since September 2005, Gregory has also held the position of Tax Director within the same company. Prior to this role, Gregory was a Senior Manager at Deloitte & Touche from 1996 to 2005. Gregory's academic credentials include a Master's in Taxation from Arizona State University (1995-1996) and an undergraduate degree in Accounting from Eastern Washington University (1990-1994).