Stephen Johnston

Stephen Johnston currently serves as the VP of Implementation & Customer Success at Tempus AI, a position held since September 2025. Prior to this role, Stephen was VP of Implementation & Customer Success at Paige from May 2021 to September 2025, and also held the roles of Director of Customer Success & Customer Support. Earlier experience includes acting as Chief Officer of the PathXL Division and managing operations and customer support at Cirdan Ltd from July 2020 to May 2021. Stephen's career began at PathXL - Philips Pathology, where significant responsibilities included operations management and customer support from April 2011 to July 2020. Additional positions held include Global Support Engineer at Openwave Systems and a placement student at UTV Media. Stephen Johnston earned a Bachelor of Science degree in Business Information Technology from Queens University Belfast.