HSL places cookies on your computer to improve our website. These cookies don't collect information that identifies a visitor and are all anonymous. They are used to measure its performance and to provide enhancements to you while using the site.
Enabling a Better Working World

Enabling a better Working World

Mobile Nav Mobile Basket

You are not logged in

Speaker Profiles

Home / ProgrammeRegistrationSponsorshipLocationContact


Stuart Hawksworth Stuart H

25 years' experience working in the area of major hazards, focusing on the safety of hydrogen as energy vector since early 2000s. Specialisms include leading large technical projects and delivery teams in the area of major hazards innovation, including leading the 70 member HSL Major Hazards Unit until 2014, a range of major projects for industry and government, and leading major incident investigations for HSE.

Successful leader of large technical teams with a good understanding of challenges associated with safety related research and development programmes. Experienced in striking balance between team consensus and moving forward technical progress.

Major hydrogen related activities include: Leading member of international team that successfully proposed and delivered the 25 organisation EU €13m HySafe Network of Excellence (2003-2009); Technical Coordinator of £2.5m FP6 HyPer Project developing knowledge and guidance for installation of small stationary fuel cells/ hydrogen systems (2006-2009); Lead £2.5m programme for UK nuclear industry to address control of hydrogen hazards in long term nuclear storage; Currently leading £4.0m project for UK Energy Technologies Institute addressing safety of Combined Cycle Gas Turbine & Engine (CCGT&E) systems operating on high hydrogen fuels.

• Represent UK on International Energy Agency Hydrogen Safety Working Group

• Member of International Association of Hydrogen Safety

• Advisory to EPSRC Hydrogen and Fuel Cells Supergen Project

• Member of IGEM Hydrogen Working Group

• 40+ journal and conference papers in the field



Chris Flint

Chris Flint

Chris Flint is the Health and Safety Executive's Director Energy Division and is responsible for  regulation of Offshore and Onshore Oil and Gas, Gas transmission and distribution, Marine and Wind renewables and Mines and Quarries.  He has regulatory experience in most sectors of industry including manufacturing, construction, services, entertainment and major hazards.

He spent a number of years in Operational Policy working with the Paper, Rubber, Plastics and Shipbuilding industries to improve their health and safety performance. He also spent time on secondment to both Employment Services and the Learning and Skills Council drawing up strategies to provide the necessary assurances about the health and safety of people on Government funded work schemes and young people whilst on work experience.

Prior to his current position Chris was Head of Operations in the HSE's Chemical, Explosives and Microbiological Hazards Division regulating the onshore chemicals sector across Scotland, the North East, Cumbria and Yorkshire. The sector includes chemical manufacture, refineries, oil and gas terminals, and fuel storage and Chris worked closely with key stakeholders including the Chemical Industries Association and UK Petroleum Industries Association. Chris was also chair of the Refinery and Terminal Operators Forum.


Dan Sadler, H21 Programme Director, Northern Gas NetworksDan Sandler

A chartered Engineer with nearly 20 years industry experience.  Dan started on British Gas's graduate training program progressing to project manager for high pressure gas pipelines and pressure reduction stations.  In 2008 he joined Rhead Group, a professional services consultancy, in the role of as Divisional Director for Energy (UK).  Dan joined Northern Gas Networks (NGN) in 2012 as 'Head of Investment Planning and Major Projects' following supporting the network in their RIIO-GD1 regulatory submission.  After undertaking several highly strategic roles within NGN Dan was seconded throughout 2016 to the UK governments Department for Business, Energy and Industrial Strategy (BEIS) advising across policy teams on all gas industry and wider energy related topics.

Dan was the originator and Project Manager of the high profile H21 Leeds City gate project. Since returning to NGN in 2017 he has taken up the role of H21 Programme Director working on projects which are designed to delivery critical evidence for a hydrogen gas grid conversion.  These projects are being delivered out of the H21 Leeds based office with the ultimate goal of supporting and influencing UK government and global energy policy.



Catherine SpriggsCatherine S

Catherine is a Chartered Civil Engineer and Member of the Association of Project Managers with over 18 years' experience of working on complex projects in the business, science and construction sectors. She has experience of working on projects varying in value from tens of thousands of pounds to hundreds of millions of pounds. Since joining the Health and Safety Laboratories in 2012 she has worked on a range of research and consultancy projects for commercial clients predominantly in the energy, aerospace and defence sectors. Catherine has taken an interest in the future of energy since completing her Masters Degree in Leadership for Sustainable Development in 2000 and has combined her project management experience and technical background enabling her to effectively lead the work of the laboratory on the technical and safety challenges associated with the future of energy debate.

Catherine has both the scientific and organisational skills to technically lead complex projects. She has a proven track record of managing complex technical discussions with customers and is effective at stakeholder management and project collaboration.



Ian McCluskey Ian

Ian is Head of Technical Services at IGEM and a Chartered Engineer of both the Institution of Gas Engineers & Managers and the Institution of Mechanical Engineers. He has 30 years gas industry experience which has covered working offshore, distribution & supply and  managing gas production facilities. He has an excellent understanding of the legislative framework with proven technical, safety and leadership skills in managing and influencing teams in both operational and customer focused environments. He is a Director of the Gas Industry Safety Group and a steering group member of the Decarbonised Gas Alliance. Ian sits on a wide variety of IGEM Committees and Working Groups including the IGEM Hydrogen Standards Working Group and the IGEM Gas Quality Standard Working Group.



Mark Crowther CEng. MIGEM, MIChemEMark Crowther

Mark is Technical Director of Kiwa Ltd. He has been Technical Lead in various high profile projects including:

  • The 2014 HyHouse project where large volumes of hydrogen and natural gas were released into a Scottish farmhouse to assess how hydrogen disperses and diffuses around a real domestic property.
  • House to house inspections of properties in Oban and the other SIUs to determine the suitability of appliances to accept change in Wobbe Index.
  • Testing appliances at Keele University as part of the HyDeploy project.

Mark has been working with compressed hydrogen since 1975. He has experience of all types of mechanical seal, soldered and welded pipe joints. Mark has carried out several audits of high pressure hydrogen IC and fuel cell systems including both filling and end use. He has knowledge of the regulations and standards surrounding portable gas cylinders. Mark has investigated natural gas explosions and carried out audit work to assist in the development of techniques to reduce leaks from existing gas networks. At the other end of the scale, he was the original proponent of re-purposing the UK gas distribution grid to hydrogen and was main contractor to NGN on the Leeds H21 project.


Andy Lewis

Andy Lewis

Andy Lewis leads the future role of gas innovation project portfolio for Cadent, the UK's largest gas distributionnetwork. Across four regional networks Cadent transport gas to around 10 million consumers. Andy is responsible for the initiation, delivery and subsequent deployment of projects to explore how gas can contribute to a low carbon future. Andy was educated at Imperial College, London.



Stewart McEwen - HSE's Acting Head of Energy PolicyStew McEwen

Stewart McEwen has over 38 years of experience in different areas of Government Policy.  He currently leads the team responsible for policy development for onshore gas and pipelines, offshore safety, mines and quarries.

Most recently, after seeing through the successful development and introduction of the new Mines Regulations 2014, he moved over to take forward projects associated with the Gas Safety (Management) Regulations 1996 (GSMR).  These have been enabling projects, ensuring that any potential constraints imposed by GSMR do not stand in the way of innovation, industry change or safely dealing with anticipated operational difficulties.

He is now working closely with his HSE operational and science colleagues, industry and Government colleagues to ensure that a suitable regulatory regime, addressing both safety and health risks, is developed which takes account of the future use and sources of energy, including hydrogen.


Mark WheeldonMark Wheeldon

An engineer with 35 years' experience.  Born in Manchester where he studied mechanical engineering at Bolton University Mark brings unique insight and experience into his current position as the Innovation project manager responsible for SGN's Hydrogen 100 project.

In his varied and successful career with numerous gas distribution and utilities company's Mark has been responsible for defining and delivering Engineering policy, Account management, Network operations and Maintenance with major utilities companies.

In his current role, he is the project manager for SGN's100% hydrogen project which is assessing the viability of constructing and operating the first hydrogen distribution network in Scotland.


Nigel Holmes, Chief Executive of the Scottish Hydrogen and Fuel Cell Association (SHFCA)Nigel Holmes

Nigel is Chief Executive of the Scottish Hydrogen and Fuel Cell Association (SHFCA), the trade association for development and deployment of hydrogen and fuel cell technologies. SHFCA is recognised as one of the most proactive hydrogen & fuel cell industry associations in Europe, with over 90 members from Scotland, UK, and overseas. Members include industry, specialist consultants, local authorities, and academics all with active interest in deployment of hydrogen and fuel cells.

Hydrogen and Fuel Cells are now playing a key role in developing low carbon energy systems. Hydrogen produced from renewables transport is being used as a 'zero carbon & zero emission' clean fuel for hydrogen buses in Aberdeen and vehicles in Fife. The BIG HIT and Surf 'n' Turf projects in the Orkney Islands will further integrate low carbon energy for heat. These exemplar projects by SHFCA members are helping to deliver Scotland's ambitions to achieve a low carbon energy system, using hydrogen for energy storage and as a flexible clean energy vector.

Nigel is also represents SHFCA member interests on the Renewable Industry Advisory Group (RIAG), a steering group member for both the Scottish Transport Emissions Partnership, and co-chairs one of the National Transport Strategy working groups with Transport Scotland.



Dr Marcus Newborough - Development Director at ITM

He supervises the analysis of existing and new electrolyser applications, and hydrogen system design requirements. He is heavily involved in UK H2Mobility, French H2Mobility, FCHJU Energy Storage, Hydrogen Europe, Power-to-Gas studies and Green Hydrogen analyses.

Previously he was the Royal Academy of Engineering Research Professor in Energy and Environmental Engineering at Heriot-Watt University. Marcus has 30 years research experience in energy systems and has published over 100 papers in the scientific literature.



Navdeep Singh Kahlon - Project Manager for CadentNavdeep Kahlon

Navdeep joined Cadent (formerly National Grid Gas Distribution) in 2015 on the graduate development programme with a Masters in Mechanical and Materials Engineering whilst completing his Doctorate in Efficient Fossil Energy Technologies.

Since joining the company Navdeep has spent time in Cadent's Network Strategy Engineering Policy and then as an energy analyst helping to deliver National Grid's annual Future Energy Scenarios document in 2016. He has since focussed on the future role of the gas distribution networks within Cadent and is project managing the UK's first practical deployment of injecting hydrogen and natural gas blends into the gas distribution network.


Dr Thomas BacquartThomas B

Dr Thomas Bacquart is a Higher Research Scientist in the Gas and Particle Metrology Group. His focus is on the purity analysis of fuel cell hydrogen. Following the development of fuel cell vehicles, new gas standards and analytical methods need to be developed to ensure the quality of hydrogen provided by refuelling stations. Before joining NPL in 2015, he worked for industry  (research engineer in the Analytical Technology Department of Rio Tinto Alcan) and as technical project manager for the European commission (Joint research center JRC-IRMM in the Reference Materials Unit. In 2007, he obtained his PhD in Analytical and Environmental Chemistry, also from the University of Bordeaux 1.



Back to the top