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Lena Bagrii is an experienced QA/QC professional currently employed at Peer39 Tech since August 2019. Prior roles include QA Engineer positions at Sizmek from 2017 to July 2019 and at StrikeAd by Sizmek from May 2012 to 2017. Lena began a career in quality assurance at KSF Technologies Ltd, serving from August 2007 to May 2012. Lena Bagrii holds a Master’s degree in Telecommunications and Information Security from the Information-Diagnostic Systems Institute at the National Aviation University in Kiev, Ukraine.