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Ryan Renfrew, CISSP, CCSP, has over two decades of experience in IT infrastructure and systems engineering. Currently serving as Manager of IT Infrastructure at Public Trust Advisors, LLC since January 2018, Ryan has previously held roles such as Senior System Engineer and Infrastructure Architect at EGNSI, Inc. From November 2011 to December 2016, Ryan worked as Infrastructure Manager at Black Elk Refining / Par Pacific Holdings and served as Systems Engineer at Business Network Consulting from October 2006 to November 2011. Ryan’s earlier career includes significant experience at Optio Technical as Senior Systems Engineer and at Rush Creek Solutions as Systems Engineer.