John McDonnell, MSc, is currently serving as a Senior Manager of Data Science at Optum, where they have worked since 2023. Prior to this role, they held various positions at Optum, including Senior Data Analyst from 2021 to 2023, and they also gained experience as a Systems Analyst at Bayer from 2007 to 2011. John has a solid educational background, including a Master of Science in Data Science from Technological University Dublin and a Higher Diploma in Data Analytics from Dublin Business School. Their earlier career includes roles in IT support and analysis at companies like Schering and Hewlett Packard Enterprise.
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