John Graham

John Graham is a retired IT professional who concluded their career at Tesco in February 2023. With over three decades of experience, they specialized in Retail Service Management, ensuring the effective operation of front-end systems across more than 2,500 stores. Throughout their tenure, they focused on delivering service improvements, managing vendor relationships, and successfully implementing new functionalities to enhance business operations. John received accreditation in Tesco IT Service Management based on the ITIL framework and played a key role in reducing service costs and improving service level agreements.