TWI Technology Fellows' Day

Carol Johnston is a Technology Fellow in the Fatigue Integrity Management section at TWI. Since 2009, she has been carrying out research and running a range of projects related to the fatigue performance and structural integrity of welded joints. Her main area of work is on validation fatigue testing of welds using the resonance fatigue testing technique, and providing consultancy on fatigue design of welded joints. 

Dr Matthew Doré joined TWI in 2000, where since 2017 he managed the Fatigue and Fracture Integrity section until his appointment as Technology Fellow in 2024. He serves on internationally recognised bodies, including as a Main Committee Member of BSI WEE/37 (BS 7910), as the UK National Delegate on the International Institute of Welding (IIW) Commission XIII, and as Chair of the bodies for BSI WEE/37-3 (Fatigue) and BSI WEE/37-9 (BS 7608). In addition, he also serves as Committee Member on CB/203 (BS EN 1999-1-9 and -10, prEN 1090) and B/525/10 (BS EN 1999-1-1, PD6705-2). He has also chaired several international conferences and delivered keynote presentations and workshops around the world.

Matthew has supervised and supported 13 PhD students and has had over 20 scientific articles published, including peer-reviewed journal publications in the areas of fatigue design, fracture mechanics, and additive manufacturing. His area of expertise as Technology Fellow is Structural Integrity of Metallic Materials.

Paul joined the Materials Department at TWI in 1992, having graduated and gained a doctorate from the University of Cambridge. He specialises in failure avoidance of welded structures, particularly microstructural effects, defect formation and approaches to avoidance of hydrogen embrittlement in service. In 2005, he became Head of the Materials Department and was appointed to the Board of TWI in 2010. He is a member of the UK Technical Advisory Group on Structural Integrity (TAGSI) and a non-executive director of the International Institute of Welding.

Adrienne joined TWI after graduating in Metallurgy and Materials Science from Imperial College, London. She is currently a Technology Fellow in the Materials and Structural Integrity Group, working principally on ferritic steel consultancy and failure investigations covering a wide range of industry sectors and equipment.

Over the past few years, Adrienne has led a number of projects focusing on materials testing in aggressive environments for the Oil & Gas industry for the purpose of determining flaw tolerance of O&G assets operating with harsh internal environments and to determine the applicability and implications of various test results and historical information to/on integrity assessments of these assets.

David is a Chartered Engineer with over 30 years’ experience in arc welding. Prior to joining TWI in 1994, he worked in the Oil and Gas fabrication industry and, after completing a degree in Metallurgy at the University of Leeds, worked at British Steel Swinden laboratories as a Welding Engineer. He is currently employed in the Arc Process, and Welding Engineering section at TWI carrying out welding engineering support and project management for Industrial Members of TWI across a broad range of industrial sectors including the Oil and Gas, Power, Construction and Aerospace industries. TWI’s client list is global and projects carried out include expert witness work in High Court and arbitration proceedings, on site investigations of failures for the Oil and Gas and Construction industries, independent third party reviews of industrial disputes, design reviews for implementation of arc welding manufacture, sub-contract welding engineering, audit of fabricator suppliers, third party design review and support work for the Nuclear industry along with many individual projects relating to qualification and fabrication of a range of welded products to international welding standards.

David has authored and contributed to over twenty publications in international conference proceedings, seminars and journals on the subject of welding with arcs, lasers and hybrid laser arc processes.

Mike has been carrying out research for the plastics industry for over 35 years. His main areas of expertise include the welding, inspection and mechanical testing of PE pipes, on which he has written over 30 technical papers. He is also the editor of the Handbook of Plastics Joining – A Practical Guide. He has managed over 150 research projects for clients all over the world and is the UK representative on various ISO, CEN, BS, IIW, AWS and ASME committees on the welding of plastics and plastics pipes.

Colin Ribton graduated from The University of Nottingham with a joint honours degree in Pure and Applied Physics and was awarded a PhD by Brunel University London for his research into electron guns.

His role at TWI is now as Technology Fellow and involves leading teams developing new electron beam systems for applications in welding, additive manufacture and X-ray generation. In particular, this has required the development of electron optics including generators, lenses and deflection coils, using magnetic and electrostatic modelling. He presents regularly at international conferences, has some 40 publications including a number of patents and has contributed to ISO standards on electron beam welding. He is active in promoting EB technology for new applications and has worked extensively on electron beam characterisation systems, which are used to assess the manufacturing readiness of welding and additive manufacturing equipment. He has been the industrial supervisor for three successful PhD students.

Professor John Wintle is a mechanical engineer and a recognised international authority on the life management and inspection of ageing assets as they approach and enter the life extension phase. He has worked extensively for the HSE and the Energy Institute providing guidance for the nuclear, offshore oil and gas and other high hazard industry sectors where the potential hazards are high and the consequences of failure are severe.

Alan is a Technology Fellow at TWI specialising in the characterisation of functional surfaces with a focus on durable repellent coatings. Over 28 years he has led over 200 industrial projects covering every sector.

He is a Fellow of the Royal Society of Chemistry and the Institute of Materials, Minerals and Mining. He is a board member of the Surface Engineering Leadership Forum; is an expert reviewer for the EC; the EPSRC Future Leader Fellowship Scheme and has reviewed proposals for the Royal Society. His current interests centre on supporting industry to navigate through the changing environment related to PFAS.