• Colm O'Reardon

    Secretary General, Department of Further and Higher Education, Research, Innovation and Science, Government of the Republic of Ireland

  • John O'Regan

    (From 2025) Political Councillor, UK Mission to the EU, Foreign, Commonwealth & Development (FCDO)

  • Sir John O'Reilly

  • Dr Elisa Orofino

    Senior Research Fellow and Academic Lead for Extremism and Counter-Terrorism, Policing Institute for the Eastern Region (PIER), Anglia Ruskin University

  • Lord James O'Shaughnessy

    James O'Shaughnessy

  • Mr Colm O'Shea

    Founding Partner and Chief Investment Officer, COMAC Capital LLP

  • Magda Osman

    Principal Research Associate at the Judge Business School, and Professor of Policy Impact, Leeds Business School.

  • Dr Eoin O'Sullivan

    Director, Centre for Science, Technology & Innovation Policy (CSTI), Institute for Manufacturing, University of Cambridge

  • Felicity Oswald

    Interim Chief Executive Officer, National Cyber Security Centre

  • Dr Kwadwo Oti-Sarpong

    Senior Research and Teaching Associate, Cambridge Centre for Smart Infrastructure and Construction (CSIC), Department of Engineering, University of Cambridge