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John Rzeszotarski is a seasoned technology executive with extensive experience in platform engineering and technology infrastructure. Currently serving as VP of Platform Engineering at Dexcom since November 2022, John previously held the role of SVP of Technology Infrastructure at PNC from April 2019 to November 2022. Prior to that, John directed Continuous Delivery and Feedback Organizations at KeyBank, where efforts focused on cultural transformation and automation. John's earlier career includes positions as Sr. Enterprise Architect at Rosetta and various architectural roles at Sallie Mae and Ernst & Young LLP. John earned a degree from Kent State University between 1998 and 2002.