Today, John leads a staff of around 200 scientists, engineers and technicians in this endeavour, in activities that span the scientific spectrum, working with the majority of UK universities, the UK scientific Research Councils, Innovate UK, the European Commission, industry, charities, other agencies of the state such as the Ministry of Defence, the National Health Service, the Home Office and a wide range international partners.

As a scientist, John has published over 120 peer reviewed articles and sits on numerous international advisory and review bodies in Europe and the USA. He is also Executive Director of Laserlab-Europe (a consortium of all the major laser facilities throughout Europe), a Director of two of CLF’s spinout companies (Scitech Precision Ltd and Dipole Laser Systems Ltd), a Fellow of the Learned Society of Wales and the recipient of the Institute of Physics Glazebrook Medal in 2020.