John Garner is an experienced professional in technology and continuous improvement, currently serving as the Head of Continuous Improvement at Three UK since March 2021. Garner has held significant positions at O2 (Telefónica UK) as a Technology Delivery Governance & Assurance Consultant and Head of Technology, where strategic initiatives for fibre sourcing and 5G growth were implemented. A lengthy tenure at Vodafone spanned from November 2003 to December 2016, during which Garner held various leadership roles, including Global Head of Partner Markets & PMO, and Head of Global Network Strategy & Performance, managing substantial budgets and delivering significant value across diverse markets. Educational qualifications include a Digital Transformation Strategies certification from Cambridge Judge Business School and an Executive MBA from The University of Waikato.
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