John Heal

John Heal is a Principal Data Engineer at TransitionZero, where they apply their strong analytical and problem-solving mindset to leverage data effectively. With a robust academic background, including a PhD in Theoretical and Mathematical Physics from King's College London, John has held significant roles in data engineering and architecture. They served as a Senior Data Engineer at Rail Delivery Group, streamlining data processes and enhancing organizational insights, and previously worked as a Cloud Data Architect at Cloudreach, focusing on Google Cloud platforms. John also contributed to Sky as a Technical Architect, designing data processing solutions to facilitate cloud migration.