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Donald Butler possesses extensive experience in equipment maintenance and management, currently serving as the FEOL Maintenance Manager at Polar Semiconductor since February 2014. Previous roles at Polar Semiconductor include FEOL Maintenance Section Manager, Equipment Maintenance Training Specialist, and Area Lead Equipment Maintenance Specialist. Prior to this, Donald worked as a Maintenance Technician at Suniva from November 2010 to February 2014 and as a Level 3 Technician at Micron Technology from November 2006 to October 2010. Donald holds a Bachelor's degree in Electronic Engineering Technology from DeVry University, completed between 2003 and 2006.