Joseph advises Vodafone Group’s executive committee on a range of political and policy issues. He focuses particularly on EU affairs and supports the Chairman and the Chief External and Corporate Affairs Officer in their leadership roles at the European Round Table for Industry.

Before joining Vodafone in July 2022, Joseph was a UK civil servant for eight years. His last role was split between the Cabinet Office and the Foreign, Commonwealth and Development Office, where he advised the Prime Minister, Lord Frost and the Foreign Secretary on UK-EU relations and the governance of the Trade and Cooperation Agreement (TCA). His portfolio included trade in services, investment, digital, energy and transport.

Joseph spent most of his Civil Service career at the Department for Digital, Culture, Media and Sport (DCMS). As the department’s Head of EU Negotiation Strategy, he negotiated the digital trade title of the TCA and wrote a section of the May government's Chequers white paper. Joseph has been a private secretary to two ministers for digital. He has completed secondments to Sweden’s foreign ministry and a European commissioner's cabinet.

Joseph read German and history at King's College London. He represented DCMS as a delegate to Chatham House for over two years.