Cheryl Klein is an experienced professional in quality assurance and usability testing, currently serving as a Senior QA Engineer at Marken since June 2024. Previously, Klein held the position of Usability Tester at UserTesting, receiving a 5/5 rating for feedback quality, and contributed as a Software QA Test Engineer at WCG, focusing on Agile testing for clinical trial software. Other roles include Software QA Analyst III at Syntellis Performance Solutions, where Klein tested healthcare billing systems, and Senior Quality Assurance Analyst positions at Change Healthcare and McKesson, ensuring accuracy in healthcare data management and analytics. Klein holds a Bachelor's degree in Broadcasting & Communication from State University of New York at Oswego and a BA in English Literature from Westfield State University.