Expert Witness Services

Our Experts

Andy Stelling
Senior Occupational Hygienist

Andy joined IOM in 2005 and heads up our Expert Witness division. He has worked full time as an asbestos consultant/occupational hygienist for 29 years during which time he has been both quality and technical manager for large UK consultancies. During his period as a dedicated Exert Witness, Andy has established key relationships with many of the UK's leading law firms and is your first point of contact for new client enquiries and commissions.

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Dr Alan Dickson Jones
Senior Consultant Specialising in Exposure to Fibres

Alan’s specialist field is Occupational Hygiene Research and Consultancy, and in particular the health risks associated with asbestos. Alan has a BSc (Hons) in Physics and an MPhil and PhD in Engineering. He has worked in health and safety for 30 years, and has specialised in aspects relating to the risks from exposure to asbestos and other fibres. Until recently, he was the Head of Fibres and Physics Section at the Institute of Occupational Medicine (IOM) and is currently a Senior Consultant working in the IOM’s Strategic Consulting Division.

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Martin Dippnall
Senior Occupational Hygienist

Martin joined IOM in 2015 to expand the Institute’s senior consultancy team. With over 25 years’ experience in occupational hygiene consultancy and worker health protection, Martin will continue to expand on his reputation as a practised occupational hygienist by providing expert opinion on occupational disease claims for civil litigation cases in the UK.

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Dr Graeme Hughson
Senior Occupational Hygienist

Graeme is a professional occupational hygienist and safety practitioner with more than 25-years’ experience across a wide range of industries. Graeme has extensive experience of exposure assessment for workplace health risks and has conducted national and international multi-site measurement programmes for hazardous substances. Skills include: health hazard identification; exposure assessment for hazardous substances (chemicals, asbestos, etc.) and physical agents (ionising radiation, noise, thermal). Graeme is a Chartered Fellow of the Faculty of Occupational Hygiene, a Chartered Member of IOSH and has a PhD in Occupational Hygiene awarded by the University of Aberdeen

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Dr Andrew Phillips
Senior Occupational Hygienist

Andrew has a PhD in Chemistry and a Post Graduate Diploma in Occupational Safety and Health. He is a Fellow of the Royal Society of Chemistry and a Chartered Chemist. Andrew is also a Lifetime Honorary Member of the British Occupational Hygiene Society and a holds a Specialist Diploma in Occupational Hygiene (Dip OH(S)) in chemical risk. Andrew is a Chartered Member of the Faculty of Occupational Hygiene. Areas of expertise include historical exposures to many substances with specific knowledge of exposure to asbestos, both in manufacturing and removal, respirable crystalline silica, man-made mineral fibres and refractory ceramic fibres. Andrew has knowledge of typical workplace exposures and application of the concept of reasonable practicability within the UK health and safety legislative framework, specifically COSHH. Andrew has interests in dermal exposure and application of methods to control it.

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Julian Bugler
Senior Occupational Hygienist

Julian has an MA (Hons) in Chemistry, and an MSc in Industrial Hygiene. He also holds the status of Chartered Chemist, Chartered Scientist and is a Chartered Member of the British Occupational Hygiene Society. He also holds the Diploma of Operational Competence in Occupational Hygiene (Dip Occ Hyg) from the Faculty of Occupational Hygienists within the British Occupational Hygiene Society and is a member of the Royal Society of Chemistry.

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Prof John Cherrie
Senior Occupational Hygienist and Principal Scientist

Professor John Cherrie is Principal Scienctist in the Research Division at IOM and Professor of Human Health at Heriot Watt University. John has a BSc (Hons) in Physics and a PhD in Occupational Hygiene. He also holds the Diploma of Operational Competence in Occupational Hygiene (Dip Occ Hyg) from the Faculty of Occupational Hygienists within the British Occupational Hygiene Society and is an Honorary Professor at the University of Aberdeen. He has worked as an occupational hygienist for more than 30 years.

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Dr Richard Graveling
Principal Ergonomics Consultant

Dr Graveling has the benefit of over 30 years of experience of work as an ergonomist and is a Fellow of the Institute of Ergonomics and Human Factors. In his time at the IOM, musculoskeletal disorders, in particular back injuries from manual handling and work-related upper limb disorders, have formed a major focus of both his research (including studies into the epidemiology of both back pain and upper limb disorders) and consultancy activities.

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Dr Joanne Crawford
Senior Consultant Ergonomist

Dr Crawford is a Chartered Ergonomist and Human Factors specialist and a a Fellow of the Institute of Ergonomics and Human Factors. Joanne has a BSc (Hons) in Biological Sciences, an MSc (Eng) in Work Design and Ergonomics and a Ph.D. from the Robens Centre for Occupational Health, University of Surrey.

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Prof Damien McElvenny
Principal Epidemiologist

Damien is an epidemiologist working in the Statistics and Toxicology Section of Research Division and is a chartered statistician and chartered scientist. He has nearly 30 years' experience working in a variety roles relating to the statistical analysis of health data in the public and private sector. Damien is an independent scientific member of the UK Industrial Injuries Advisory Council. He joined IOM in 2011 and is currently leading two projects, one on the carcinogenicity of occupational exposure to lead, the other on the carcinogenicity of work in the hard-metal manufacturing industry.

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Sheila Groat
Head of Health and Safety Services

Sheila is one of IOM's most experienced consultants in the field of Occupational Hygiene and Health and Safety. Sheila has worked across multiple industry sectors and brings a wealth of experience to role of Expert Witness.

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