Professor Williams is the Editor-in-Chief of Biomaterials. He has had 40 years experience in the biomaterials, medical device and tissue engineering fields. During his research career he has published over 30 books and around 400 papers, and has received the major awards from the US, European and Indian societies of biomaterials. He has been a scientific adviser to the European Commission and written many Opinions on which European laws in health technology and nanotechnology are based.  In 1999 he was elected as a Fellow of the Royal Academy of Engineering in recognition of his contributions to engineering in medicine.

Professor Williams left the University of Liverpool, UK, in 2007, where he has been Head of Clinical Engineering and Director, UK Centre for Tissue Engineering. While retaining the title of Emeritus Professor at Liverpool, he is currently Professor and Director of International Affairs, Wake Forest Institute of Regenerative Medicine, North Carolina, USA, a Visiting Professor in the Christiaan Barnard Department of Cardiothoracic Surgery, Cape Town, South Africa, a Visiting Professorial Fellow at the Graduate School of Biomedical Engineering, University of New South Wales, Australia, and a Guest Professor, Tsinghua University, Beijing, China.