Who's Who

Post holders

Claire Holman
Claire Holman FIAQM

President

Claire Holman has worked on air quality for the past four decades since being awarded her PhD for research into ozone pollution in 1980. She is currently a director of Air Pollution Services, a specialist air quality consultancy, working on a range of Government Agency and other research projects, as well as overseeing air quality assessments for planning applications. She is a former chair of IAQM, and an experienced expert witness for planning inquiries and litigation.  She provided evidence on the government‘s lack of adequate policies to improve air quality at the inquest into the death of Ella Kissi-Debrah, on behalf of her family, and worked for ClientEarth on their successful challenges to the government’s Air Quality Plans. She also led the development of a number of IAQM guidance documents.

Chris Rush
Chris Rush MIAQM

Chair

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 stages 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.

Kieran Laxen
Kieran Laxen MIAQM

Vice Chair

Kieran is the Vice-Chair of IAQM and is a Director at Air Pollution Services. Kieran 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.

Ethny Childs

Secretary

Ethny is on the Senior Management Team at the IES and is responsible for supporting the IES Communities and building relationships with partners and stakeholders in the sector. She is an ex officio member of the IAQM Committee and is the first point of call between the IES and IAQM.. Ethny is a Trustee for Charityworks, sits on the SiLC Board and holds positions on the Steering Groups for the Professional Bodies Climate Action Charter, the Equator Programme and the Media Trust’s Communicating Climate Programme. Ethny has a BSc in Biological Sciences with Management from Imperial College London and has a keen interest in wildlife and environmental conservation. She completed the Charityworks Graduate Scheme with Commendations in 2018 and prior to this role worked for a medical research funding charity.

Other committee members

Jamie Clayton MIAQM

Jamie is an air quality consultant with approximately 15 years’ experience in the consultancy sector. Jamie has a wealth of expertise relating to air quality assessment for both public and private sector clients, linked to both road traffic, and industrial sources. He has assumed the role of lead developer of Defra’s Emissions Factors Toolkit since 2016, additionally he has project managed the UK Urban NO2 Network (UUNN) since network inception in 2020. Jamie has an MRes in Physics of the Earth and Atmosphere from the University of Leeds and is a Chartered Scientist (CSci). He has previously been involved in the IAQM Air Quality and Climate Change working group providing authorship to comment pieces as well as chairing group webinars.

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.

Annie Danskin MIAQM

Annie Danskin has 24 years of experience in the field of air quality consultancy, project management, training and research and was awarded Chartered Environmentalist status in 2021. She has prepared expert witness reports and frequently presented at public consultation events, planning hearings and conferences/user group meetings. She has substantially contributed to the development of young graduates and professionals into Senior and Principal Consultants in small and large consultancies having previously worked at CERC, BMT Cordah, TSI Scotland and URS/AECOM. She is currently Head of Air Quality at ITPEnergised, based in Edinburgh.

Having started her career when air quality consultancy was in its infancy, she has applied the science, guidance and ever-advancing software tools to a wide range of increasingly complex and challenging air quality problems, developing innovative solutions and assessment methodologies for air quality assessments approved by local authorities and regulatory agencies including SEPA, the Environment Agency and most recently, the Civil Aviation Authority (CAA).

Sarah Horrocks MIAQM

After graduating from the University of Bristol with a degree in Chemistry, Sarah spent a year at NPL in the air quality standards team. After that she completed a Masters in Environmental Technology at Imperial College and subsequently found a job with Atkins. She is now the Practice Manager for Air Quality and recently celebrated 20 years at the company. As well as looking after and winning work for our 16 specialists, she is responsible for managing and delivering technical input to a wide range of markets: transportation, energy, water and land developments, in the UK and overseas. She is passionate about delivering high quality environmental work, and equally so about creating a working environment that is truly inclusive.

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.

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’.

Anil Namdeo FIAQM

Anil Namdeo is Professor of Air Quality and Net Zero in the Department of Geography and Environmental Sciences, Northumbria University, Newcastle. He is a Chartered Environmentalist and a Chartered Scientist. He is a Fellow of the Royal Meteorological Society, UK and a Fellow of the Institute of Air Quality Management, UK. Anil is a member of Department for Environment, Food and Rural Affairs (Defra) Air Quality Expert Group (AQEG) and a member of the UK’s Civil Aviation Authority’s Sustainability Panel. Anil was a member of the NICE (National Institute for Health and Care Excellence) Public Health Advisory Committee on Air Pollution (Outdoor Air Quality and Health) which developed guidelines for outdoor air quality and health. Anil has been appointed as a UKRI Reginal Air Quality Champion (East and North East of England). Anil has special research interests in air quality (monitoring, modelling and management) and health. His research focuses on environmental and sustainability assessments of land-use, transportation and other developmental policies.

Noel Nelson MIAQM

Noel Nelson is an air quality scientist at the Met Office and was one of the founder members of the IAQM. He has worked at the Met Office for over 30 years with a wide range of experience encompassing air quality modelling, weather and health relationships and some climate change impacts. Noel was seconded to the Defra air quality policy unit for several years where he synthesised scientific evidence for policy development as well as contributing to the air quality strategy report. He also worked as a member of the Secretariate for the Royal Commission on Environmental Pollution for several years where he contributed to several Command Reports. On returning to the Met Office he took up a research post at the Pirbright Institute to examine the atmospheric transmission of certain animal diseases such as Foot and Mouth Disease and Bluetongue. Noel also Chaired the Institution of Environmental Science and is currently one of the Vice Presidents, he has very recently been appointed to the Clean Air Advisory Panel to the Welsh Government. He is currently engaged with the Strategic Priority Fund Clean Air Programme, where he acts as the main link to the other collaborating organisations and oversees the Met Office funded research projects. Noel is keen to help develop a systems view on our air quality challenges and to use this to develop sustainable solutions.

Mark Nichols MIAQM

Vice Chair of the Early Careers Network

Mark is an Associate Air Quality consultant who has experience of working on a diverse range of Air Quality modelling and monitoring projects for both private and public sector clients, both in the UK and the Middle East. Mark is also an Honorary Research Fellow at the Centre for Earth Observation Sciences at the University of Brighton, with a published peer-reviewed journal entry in Science of the Total Environment (STOTEN), which looked at changes in atmospheric composition resulting from the COVID-19 lockdown. Mark previously held a sub-committee position on the IAQM’s Early Career Network between 2020 and 2024, where he contributed to delivering a range of informative, engaging and successful events for the network, including the recent field trip to Met Office HQ. He is a full member of IAQM and holds an MSc in Environmental Policy and Management.

Davide Pascarella MIAQM

Chair of the Early Careers Network

Davide is leading the Air Quality team at the RSP (Regulatory Services Partnership) serving the London Boroughs of Merton, Richmond upon Thames, Wandsworth and has over 15 years of experience in public sector. He has expertise on the Local Air Quality Management, Policies and Regulations. His work has covered a broad range of projects, managing monitoring networks, demolition and construction activities, writing bidding proposals as well as experience on reviewing air quality assessment reports submitted as part of the planning process. He is a full member of the IAQM and has an MSc in Environmental Analysis and Assessment.

Helen Venfield MIAQM

Helen is an Associate Director in the Air Quality & Environment team at Bureau Veritas. She has over 20 years of varied experience in the air quality industry, including academic research, national emissions inventory compilation and review, work for central and local government departments, and private development air quality impact assessments.
Helen’s PhD research focused on the emissions of biogenic volatile organic compounds (BVOCs) and their impact on local air quality. Her continued interest in air quality and the natural environment has led her to undertake air quality assessments to inform the Habitats Regulations Assessments (HRA) for numerous Local Plans across the UK. This work has directed her attention to the emissions of ammonia from road traffic vehicles.
As an experienced professional, Helen is committed to addressing complex environmental challenges and informing decision-making processes. She is a strong advocate for knowledge sharing and collaboration; she plays an active role in disseminating her expertise and experience through mentoring and supporting her colleagues and others interested in the industry.