Professor Sir Leszek Borysiewicz was appointed Chair of Diamond Light Source in December 2024. Trained as a clinician and immunologist, Sir Leszek has held numerous prestigious positions, including Vice-Chancellor of the University of Cambridge from 2010 to 2017, Chief Executive Officer of the Medical Research Council from 2007 to 2010, and Deputy Rector of Imperial College London from 2004 to 2007.
He is a trustee of the Wolfson Foundation, Member of the Council of Imperial College London and Chair of the Academic Advisory Committee at Nanyang Technological University. He also serves as a Non-Executive Director of 52 North Healthcare.
He is a Fellow of the Royal Society and a founding Fellow of the Academy of Medical Sciences. In 2001, he was knighted in recognition for his significant contributions to medical research and education. In 2025, he was awarded the Knight Grand Cross of the Order of the British Empire (GBE) for services to cancer research, clinical research, medicine and charities.
Diamond Light Source is the UK's national synchrotron science facility, located at the Harwell Science and Innovation Campus in Oxfordshire.
Diamond Light Source Ltd
Diamond House
Harwell Science & Innovation Campus
Didcot
Oxfordshire
OX11 0DE
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