John Duffy is an experienced IBM Z Solution Advisor at Levi, Ray & Shoup, Inc. since August 2019, previously serving as VP of Performance Engineering at State Street Bank & Trust Co. from June 2018 to July 2019, where focus was on developing a performance engineering test lab. Prior to this, John spent over 21 years at IBM in various roles, including Client Architect and Systems Architect, providing architectural consulting and technical guidance for IBM Z hardware and software solutions. John has also held positions at Boston University, J. Baker, Massachusetts General Hospital, and BayBank, offering significant expertise in systems programming, performance analysis, and technical leadership. John holds an Associates of Science in Computer Maintenance from Massachusetts Bay Community College and a high school diploma from Waltham High School.
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