Unit as a Principal Specialist Inspector, accumulating a wealth of regulatory experience. John was HSE’s Infectious Diseases Portfolio Holder which combined his microbiological knowledge and expertise with an important regulatory role. In addition to his work with infectious diseases, John spent much of his time working in the field of Legionella control and was Chair of HSE’s Legionella Technical Working Group and a member of HSE’s Legionella Committee. He also worked closely with a range of key Government departments and industry sectors and through extensive stakeholder engagement, regularly presented at key Industry events to promote compliance and raise awareness around legionella assessment and control including LCA, WMSoc, BACS, IHEEM, H&V and many other forums.
John has a strong scientific and technical background, and is recognised as a regulatory expert in legionella and the development of operational and enforcement policies.
John has advised Government and professional bodies both within the UK and overseas, and was influential during his tenure in HSE in the development of key UK legionella guidance including his role as scientific and technical lead of the 2001 and 2013 review and revision of L8: Approved Code of Practice, HSG274 legionella technical guidance and more recently, HSG282 ‘Control of legionella and other infectious agents in spa pool systems’, the recent successor to PHE/HSE ‘Management of Spa Pools’ guidance. He has also contributed to the production of numerous Legionella-related guidance documents including Department of Health’s HTM0401, BS 8580:2010 and CIBSE’s TM13: 2013.
John has also acted as an expert witness in a number of Legionella cases, preparing expert witness statements.
John has worked closely with LCA and WMSoc over many years, specifically representing HSE on the LCA Management Committee. Since leaving HSE in June 2016, John has become an independent consultant, an LCA assessor, acts as a tutor on WMSoc training courses and retains an active role on WMSoc’s Rapid Microbiology Working Group.