Who's Who

Post holders

Bernard Fisher
Bernard Fisher MIAQM


Bernard Fisher is an environmental modeller with nearly 40 years research experience of air quality modelling. His career started in the power industry where he worked on acid rain. Between 1994 and 2000 he was Professor of Environmental Modelling at the University of Greenwich working on air quality management. Since joining the Environment Agency in 2000 he has been involved with the evaluation and use of environmental models with emphasis on air quality. He is a visiting professor at the University of Hertfordshire and a former Chair of the IAQM. He was elected the Institute’s first President in 2019.

Christine McHugh photo
Christine McHugh MIAQM


Christine is an independent air quality consultant with over 25 years’ experience, working for Keane & Gray. She previously worked for Arup where she led the UK air quality team, Amec Foster Wheeler and CERC. She has particular expertise in air quality modelling, emissions, forecasting, and airport air quality, having led air quality studies for several major UK airports. She has provided planning and other technical support to the Greater London Authority leading a comparison of London’s air quality with cities around the world. Christine provided training and expertise internationally, as the EU expert on air quality in the EU/China Liaoning Integrated Environment Programme, on projects for the European Space Agency, EU 7th Framework, and the European Commission. She was elected Chair in 2019.

Roger Barrowcliffe MIAQM

Vice Chair

Roger is an independent consultant, operating as Clear Air Thinking. After graduating in Physics & Meteorology, he worked at the Met Office, the Central Electricity Generating Board and ERM for 21 years (many as Technical Director and then Partner), contributing to UK and international EIAs, and policy studies for the UK government and the European Commission. Roger worked with RWDI for 2 years, where he made use of wind tunnels to simulate near-field dispersion around buildings. He is a Chartered Meteorologist and a Chartered Scientist.

Tom Reade
Tom Reade MIAQM

Vice Chair & Chair of the Membership Committee

Tom is a Principal Air Quality Consultant at Hilson Moran, with 6-years professional experience. He has developed skills in sectors including property development, commercial and industrial premises, surface mine schemes, quarries, waste operations, and transport infrastructure. Tom is experienced in EIA and standalone AQ impact assessments for the protection of human health and ecosystems. He has undertaken numerous ambient air quality monitoring surveys using real-time and passive monitoring equipment. He is competent in air quality modelling packages (ADMS, DMRB and WEBTAG) and geographical information systems (MapInfo, ArcGIS and QGIS). He has an Air Pollution Management & Control MSc.

Fiona Prismall
Fiona Prismall MIAQM


Fiona is a Technical Director at RPS, with extensive experience in assessing for waste management facilities, major transport infrastructure schemes, minerals operations, industrial installations and mixed-use/residential developments. She undertakes assessments using atmospheric dispersion models (ADMS, AERMOD), the Highways Agency Design Manual for Roads and Bridges (DMRB) model, WebTAG and emissions inventory packages.  Her experience includes drafting Dust Action Plans, Odour Management Plans, designing monitoring campaigns, devising air quality action plans and providing expert witness services.  She has a BSc in Pure Mathematics and an MSc in Applied Meteorology. She is a Chartered Environmentalist.

Beth Conlan
Beth Conlan MIAQM

Chair of the Short Course Endorsement Sub Committee

Beth is a Technical Director and leads the Air Quality Modelling and Assessment team at Ricardo. Beth has over 25 years’ experience, including working for the European Commission for over 10 years supporting the evaluation, implementation and further development of air quality policies. Beth has extensive experience of legislation and policy within the UK, working closely with Defra, many local authorities and the private sector. She has expertise in developing and reviewing national and local air quality plans, working with stakeholders from transport and health in the assessment and implementation of mitigation measures. Since 1998 Beth has taught air quality management to local authorities as part of the EMAQ+ training programme, which is endorsed by the IAQM. Beth is a member of UK Government Expert Committee on the Medical Effects of Air Pollution.

Jon Pullen
Jon Pullen MIAQM

Chair of Early Careers Sub Committee

Jon is an Operational Director at RPS, leading the company`s specialist environmental office at Brighton. Starting his career in the former Central Electricity Generating Board before moving into consultancy in 1991, Jon has more than 25 years post-graduate experience in air quality, covering infrastructure developments, waste management facilities, minerals operations, industrial installations, energy, wastewater treatment works, residential and mixed-use developments. Jon is the County Air Quality Consultant to Surrey County Council. He has contributed to and co-authored numerous air quality guidance publications for the Environment Agency, Defra and the IAQM. He is a Chartered Chemist and a Chartered Scientist.

Other committee members

Philip Branchflower
Philip Branchflower MIAQM

Phil is a Senior Associate at Stantec and Techncial Lead for the Air Quality Team with approaching 20-years of air quality consultancy experience from a background in industrial chemisty which led to Stack emission testing. Several years at a dedicated odour consultancy were followed by 13-years focussed on UK based waste and energy related projects, including many energy-from-waste facilities including expert witness support.  He is now developing the UK Air Quality team at Stantec to support a wide range of clients and provide new services which reflect current and emerging requirements.

Adam Donnan

Adam is the CEO of the Institution of Environmental Sciences (IES) and sits on the IAQM committee as an ex officio member to report on IES activities and ensure that the strategies of the organisations are complementary. Adam’s role at the IES includes creating strategy and directing and controlling key resources. He has sat on a number of nonprofit and for-profit boards in the environmental sector. Currently, he is a trustee of the Science Council.  He holds an MBA and a BA in History and is a Fellow of the Chartered Management Institute and a Chartered Environmentalist.

Rosalind Flavell
Rosalind Flavell MIAQM

Rosalind is a chartered environmental consultant with over 10 years of experience. She has extensive experience in the project management and production of environmental assessments for a wide range of clients and sectors, detailed dispersions modelling, baseline pollutant monitoring campaigns. She is fully conversant in environmental legislation, and guidance and has completed air quality assignments for projects ranging in size and complexity from initial screening of small scale developments to city wide option appraisals. Rosalind has provided support to Public Inquiries on projects with significant opposition relating to the potential impact upon air quality and human health, and has also worked as the air quality technical expert and attended the hearing for a national infrastructure planning application.

Emma Gibbons
Emma Gibbons MIAQM

Emma is a Senior Consultant at Arup, and has over 10 years experience in the field of air quality. She has expertise in air quality dispersion modelling, design and implementation of air quality monitoring studies, technical review, local air quality management, indoor air quality and project management. She has worked with clients from a number of sectors including local authorities, government agencies, planning consultants, and from the rail, water, waste and construction industries. She is a full member of the IAQM and a chartered environmentalist.

Carl Hawkings
Carl Hawkings MIAQM

Carl started his working life at ERM in 1986 as an Ecologist. Sharing one of the few PCs in the London office with an air modeller he soon started helping out with modelling and air studies. He transferred to the air team between 1988-2000 when Carl joined ADM Ltd. Carl currently works with 3 main clients (Arup in the air quality team; Shell, in their major projects team and the World Bank in their Washington-based ombudsman team, as an air and EIA technical advisor). His air and EIA work involves him in many different sectors including transport, infrastructure, power, oil & gas, cement and incineration. He has worked in over 40 countries worldwide, most recently providing air quality management training in Iraq and managing EIAs in Nigeria, Qatar, UK offshore and Bangladesh. He managed the AQ team in Arup for a year during a staff leave of absence and has recent operational experience, covering for 4 months as the Environmental Manager on an oil seed rape plant in the UK.  He has contributed to IAQM guidance and been a member since its formation.

Claire Holman
Claire Holman FIAQM

Claire is an air quality specialist with Brook Cottage Consultants with over 30 years’ experience. She has advised national governments in Europe, Asia and Africa, as well as the European Commission on a range of strategic air quality and climate change issues. Claire has contributed to the development of IAQM and EPUK professional guidance, been a member of a Government air quality review group, and advised the Department for Transport on their cleaner vehicles and fuels research programme. She is an experienced expert witness for planning and CPO inquiries and litigation.

Kieran Laxen
Kieran Laxen MIAQM

Kieran is a Director of APS and has over eleven years’ experience in the field of air quality.  He has extensive experience of air quality assessments for residential and commercial developments, road schemes, waste management processes, industrial processes, power generation facilities, air quality monitoring and is a leading UK expert in the assessment of power generating facilities for both permitting and planning applications.

Daniel Marsh
Daniel Marsh MIAQM

Daniel is part of the aerosol science team at the Environmental Research Group, Imperial College London, specialising in the control of dust and emissions from construction and demolition.

He is the programme manager for the Centre for Low Emission Construction, which aims to raise awareness of the air quality impacts from the construction industry, promote ‘best in class’ mitigation and emission reduction practices, and measure real-world emissions from construction machinery to enhance understanding, test the efficacy of reduction efforts and improve emission inventories. Daniel was the recipient of the 2016 Ian McCrae award for ‘Outstanding Work in Air Quality’.

Lucy Parkin MIAQM
Sam Pollard
Sam Pollard MIAQM

Sam is an air quality consultant with over 18 years’ experience of undertaking air quality assessments, both in the UK and abroad.  He has been responsible for managing and producing air quality assessments in support of large-scale infrastructure projects, highways schemes, oil and gas production operations and industrial, residential and commercial developments.  Sam is also highly experienced in developing and assessing air quality mitigation measures, including Clean Air Zones, and has led numerous such studies on behalf of local authorities.  He has also managed and contributed to a number of air quality research projects undertaken on behalf of Defra and Highways England.

Honor Puciato
Honor Puciato MIAQM

Honor is a Senior Consultant with over nine years of experience in public and private sectors, with a key focus on the Local Air Quality Management, the Environmental Impact Assessment (EIA) and Planning Process. Her work has covered a broad range of projects, including monitoring, evaluation of impacts from various local sources such as road traffic, on-site energy generation, odour and demolition and construction activities, as well as emission assessments and due diligence reviews of air quality reports and post-application advice. Outside work Honor is STEM Ambassador and a member of the Toastmaster International – Public Speaking Group, what shows her passion for effective communication and people engagement.  

Chris Rush
Chris Rush MIAQM

Chris is a Consultant and Air Quality Group Lead at Hoare Lea. His diverse portfolio of experience includes air quality assessments on a range of projects from initial site feasibility, through planning and development to construction and operation. Along with work at the planning stage, including Environmental Impact Assessments, he has recently been involved in the testing and assessment of indoor air quality (IAQ) and furthering understanding of how building design contributes to IAQ in the detailed design states and operation. He has previously been closely involved with the IAQM Early Career Group Committee and organising a number of well-attended discussion meetings in Manchester. He is a Chartered Environmentalist and has an MSc in Air Pollution Management and Control.

Duncan Urquhart
Duncan Urquhart MIAQM

Duncan is a consultant with 15 years’ experience with AECOM, originally based in London and then in Yorkshire.  He is a project manager and technical specialist, focussing on local air quality management and vehicle emission modelling, as well as experience managing monitoring networks and occupational hygiene.  He has worked for numerous regional and local authority clients to undertake Local Air Quality Management and strategic appraisal studies, including assisting with the implementation of Air Quality Action Plans and Clean Air Zone feasibility.  He is currently working with a remit for innovation and identifying opportunities to use new technology and data, and how this can support a holistic approach to improving air quality.

Chris Whall
Chris Whall MIAQM

Chris is the Managing Director of Air Quality Consultants Ltd. He is a Chartered Environmentalist with over 20 years’ experience in environmental consulting with multi-sector EIA experience and detailed technical expertise in air quality impact assessment. Prior to joining Air Quality Consultants in 2016, Chris was the Environmental Assessment Director at Amec Foster Wheeler Environment & Infrastructure UK Ltd (now Wood plc), with responsibility for a Business Unit of around 200 consultancy staff. He was also the company’s European practice leader for Air Quality Assessment. Chris has a background in air quality and emissions management, emissions quantification and impact assessment, particularly in relation to major infrastructure projects in the UK and internationally. His work has included undertaking dispersion modelling assessments relating to the impact of atmospheric emissions from airports, power stations, mining and other major development and regeneration schemes and acting as an expert witness at Public Inquiry.

Kevin Wyche
Kevin Wyche MIAQM

Kevin is a Senior Lecturer in Atmospheric Science and Air Quality Management within the University of Brighton’s School of Environment and Technology, and founder and Principal Investigator of the Air Environment Research group and the JOAQUIN Advanced Air Quality reSearch laboratory, one of the UK’s most advanced, permanent air quality monitoring facilities, designed around “next-generation” monitoring techniques for the measurement of the most health-relevant air pollutant parameters. Kevin has 15 years’ experience working at the cutting edge of atmospheric and air quality science, research and policy, including collaborations with a range of sectors, from business to local government. His research interests include air pollution chemistry in both urban and rural environments, tropospheric composition and change, secondary organic aerosol formation and evolution, analytical instrument development and remote sensing.