Leadership and Management Team
Professor Frank Kelly

Unit Director
Environmental Research Group, School of Public Health, Imperial College London
Professor Frank Kelly holds the inaugural Humphrey Battcock Chair in Community Health and Policy, in the Environmental Research Group, within the School of Public Health in a new global centre of air pollution research. Frank is Director of the Environmental Research Group, the National Institute for Health and Care Research Unit (NIHR) in Environmental Exposures and Health, and is Deputy Director of the MRC Centre for Environment and Health.
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposures
Theme IV Project 2: Microplastics and health
Theme IV Project 5: Understanding public exposures to toxicants from waste fires
Publications:
Professor Tim Gant

PHE Deputy Lead
UK Health Security Agency
Professor Tim Gant is Head of the Toxicology Department at the Centre for Radiation, Chemical and Environmental Hazards, UK Health Security Agency, Visiting Professor in Biomedical Sciences at the University of Surrey, Honorary Senior Research Fellow of the Imperial/KCL MRC/UK Health Security Agency for Environment and Health, and Honorary Reader in Genetics at the University of Leicester. He received his undergraduate (Pharmacology and Toxicology joint hons) from the University of London, School of Pharmacy and PhD in Pharmacology also from the School of Pharmacy. Postdoc and visiting staff positions followed graduation at PhD at the National Cancer Institute, Bethesda, Maryland, USA.
He returned to the UK as a Career Development Fellow with the Medical Research Council Toxicology Unit and achieved tenure in 2002. He led the Systems Toxicology Group at the MRC Toxicology Unit until 2011 when he moved to his present position at CRCE. He has been involved with the Confederation of European Chemical industry Council (CEFIC) since 2003 and chaired the External Scientific Advisory Panel for four years.
He is now involved with the European Centre for Ecotoxicology and toxicology of Chemicals (ECETOC) as an advisor on their program on the Foetal Origins of Adult Disease and more generally to the scientific program. Tim has been involved with the British Toxicology Society since being a student and currently chairs the Scientific Sub Committee. His scientific interests centre on mechanisms of toxicity, genomics and bioinformatics and related to both the effect of genetic and epigenetic variation in determining sensitivity to environmental hazards.
He has published consistently over the period of his career (search pubmed – Gant TW [author]) and served as reviewer for many papers and grants and on review committees for CRUK.
EEH Themes:
Theme III Project 3: The role of AhR in Asthma
Theme IV Project 2: Microplastics and health
Theme IV Project 3: Drugs of misuse
Theme IV Project 5: Understanding public exposures to toxicants from waste fires
Publications:
Ms Angela Lewis

Unit Manager
Environmental Research Group, School of Public Health, Imperial College London
Angela is the Unit Manager for the National Institute for Health and Care Research (NIHR) HPRU Environmental Exposures and Health, and Associate Director of the Environmental Research Group at Imperial College London.
UNIT DIRECTOR
UNIT DEPUTY DIRECTOR
UNIT MANAGER
Theme 1 Co-Leads
Dr Benjamin Barratt

Theme I Co-Lead
Environmental Research Group, School of Public Health, Imperial College London
Dr Ben Barratt is a Reader in Environmental Exposures & Public Health and Deputy Director of the Environmental Research Group, and Theme I Co-Lead for the HPRU in Environmental Exposures and Health.
EEH Themes:
Theme I Project 6: Indoor Air Pollution
Theme II Project 3: Indoor exposures and health
Theme II Project 4: Exposures in transport microenvironments and their impact on health
Publications:
Dr Emma Marczylo

Theme I Co-Lead
UK Health Security Agency
Dr Emma Marczylo is a Principal Toxicologist within the Toxicology Department at Centre for Radiation, Chemical and Environmental Hazards, UK Health Security Agency with over 17 years’ postdoctoral experience in toxicological research disciplines, including cellular and molecular biology, epigenetics, toxicogenomics, in vitro and in vivo model systems and the microbiome. Her current research focuses on the potential toxicities of e-cigarettes and on characterising fungal bioaerosol exposures and their associated public health outcomes. As part of her role at CRCE, Emma is also involved in academic teaching, expert workshops, regulatory and policy meetings, and providing advice to government departments and agencies. Emma co-leads Theme I: Assessment of Population Exposures within the Environmental Exposures and Health HPRU.
EEH Themes:
Theme I Project 5: Bioaerosol quantitation and effects
Theme II Project 4: Exposures in transport microenvironments and their impact on health
Theme IV Project 2: Microplastics and Health
Publications:
Theme 2 Co-Leads
Dr Helen Crabbe

Theme II Co-Lead
UK Health Security Agency
Helen Crabbe is a Senior Epidemiology Scientist in the Environmental Epidemiology Group at the UK Health Security Agency’s Centre for Radiation, Chemical and Environmental Hazards. She conducts epidemiological analysis of environmental exposures and effects on health including water contaminants, air pollution, land contamination, climate change and natural hazards. She develops and evaluates surveillance for environmental public health, including running the lead exposure in children surveillance system for England. She is a supervisor for the UK Field Epidemiology Training Programme and Honorary senior lecturer, fellow and researcher at several UK universities. She has a background in environmental health, environmental science and management, pollution control, GIS, spatial epidemiology, respiratory health, non-communicable diseases, EIA, and HIA.
EEH Themes:
Theme II Project 3: Indoor exposures and health
Theme II Project 5: Disentangling effects of NO2 and PM2.5 in time-series analysis
Publications:
Dr Ian Mudway

Theme II Co-Lead
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme I Project 3: Acute CO exposure
Theme II Project 2: Air pollution/impacts on the brain across the life course
Theme II Project 4: Exposures in transport microenvironments and their impact on health
Theme III Project 2: Health effects of non-combustion particles
Theme III Project 3: The role of the AhR in Asthma
Publications:
Dr Heather Walton

Theme II Co-Lead
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme II Project 1: Air Pollution and adverse birth outcomes
Theme II Project 5: Disentangling effects of NO2 and PM2.5 in time-series analysis
Publications:
Theme 3 Co-Leads
Professor Catherine Hawrylowicz

Theme III Co-Lead
King’s College London
EEH Themes:
Theme III Project 3: The role of AhR in Asthma
Publications:
Dr Martin Leonard

Theme III Co-Lead
UK Health Security Agency
Dr Martin Leonard obtained his PhD in Pharmacology in 2000 from University College Dublin, Ireland. He has over 15 years’ experience as a toxicologist focussed to developing and improving on models and methods for assessment of toxicological hazard, including in vivo approaches, high content omics technology and iPSC in vitro models of the airway. He is a European registered toxicologist and currently holds a position as principal toxicologist at UK Health Security Agency directing research into the mechanisms of chemical, particulate and allergen hazard associated with asthma and allergic airway disease. Martin has published extensively in the fields of toxicology, cell biology and Immunology.
EEH Themes:
Theme 3 Project 3: The role of the AhR in Asthma
Publications:
Theme 4 Co-Leads
Dr Tim Marczylo

Theme IV Co-Lead
UK Health Security Agency
Dr Tim Marczylo Ph.D., B.Sc. is a principal toxicologist and leads a small team within the Toxicology Department at the Centre for Radiation, Chemical and Environmental Hazards, UK Health Security Agency. His main research focus is on the exposure of the public to potentially damaging environmental toxicants and their health consequences. Recently, research has focussed on biomarkers of electronic cigarette exposure and on evaluating mass casualty decontamination strategies.
EEH Themes:
Theme I Project 1: Human Biomonitoring
Theme I Project 2: Biomarkers in smoking and vaping populations
Theme I Project 3: Acute CO exposure
Theme I Project 6: indoor Air pollution
Theme III Project 4: E-cigarettes toxicity and health effects from second-hand exposures
Theme IV Project 2: Microplastics and health
Theme IV Project 3: Drugs of misuse
Theme IV Project 5: Understanding public exposures to toxicants from waste fires
Publications:
Dr Stephanie Wright

Theme IV Co-Lead
Environmental Research Group, School of Public Health, Imperial College London
Dr Stephanie Wright is a UKRI Rutherford Research Fellow and Lecturer in Environmental Toxicology at Imperial College London. Research in her lab focuses on the emerging topic of micro/nanoplastics and human health. With an emphasis on the air, her interests are in detection methods and exposures; biokinetics and -accumulation; and particle and chemical toxicology, all from a human health perspective.
EEH Themes:
Theme IV Project 2: Microplastics and health
Publications:
Investigators
Dr Leon Barron

Investigator
Environmental Research Group, School of Public Health, Imperial College London, Imperial College London
Dr Leon Barron moved to King’s College London as a Lecturer (in 2009) and then Senior Lecturer (in 2015) in Forensic Science, where he led the Environmental & Forensic Chemistry group for 11 years. In 2020, he moved to Imperial College London as a Senior Lecturer in Analytical & Environmental Sciences. He has published >75 peer-reviewed articles in the fields of analytical chemistry, environmental pollution, ecotoxicology and forensic science.
EE&H Projects:
Theme I Project 1: Human Biomonitoring
Dr Sean Beevers

Investigator
Environmental Research Group, School of Public Health, Imperial College London
Dr Sean Beevers leads the Environmental Research Group’s Air Pollution Modelling team, and is a member of the MRC Centre for Environment and Health.
EEH Themes:
Theme II Project 1: Air pollution and adverse birth outcomes
Theme II Project 2: Air pollution/impacts on the brain across the life course
Theme IV Project 6: Air Pollution and Infertility
Publications:
Dr Adam Boies

Investigator
MRC Toxicology Unit, Cambridge
Dr. Adam Boies is Reader of Nanomaterials and Aerosol Engineering and is Head of the Energy Group at the Cambridge University Engineering Department. His research focuses on characterizing the evolution, dynamics and impacts of gas-phase nanoparticles with an emphasis on energy applications, aerosol instrumentation and emissions. He is director of the Advanced Carbon Application and Manufacturing network and is Partnership Director of the Aerosol Doctoral Training Centre. He is a Fellow of Trinity College and has over 70 publications and 11 patents. He has been granted >£40m worth of total project funding from EPSRC, IUK, EU Horizon2020 and NERC. His group has produced three spin-outs, where he serves as Research Director for Catalytic Instruments, advisor to Atmose Ltd and as a co-founder of Echion Technologies.
EEH Themes:
Theme III Project 2: Health effects on non-combustion particles
Publications:
Dr Alison Buckley

Investigator
UK Health Security Agency
EEH Themes:
Theme III Project 6: Use of improved in vitro systems to evaluate mechanisms of toxicity
Publications:
Dr Queenie Chan

Investigator
School of Public Health, Imperial College London
Queenie’s research focuses on epidemiology and translational medicine. She works with the multidisciplinary research teams in biostatistical methods for epidemiological data analysis and application of metabonomics to large-scale studies. For Theme III of the National Institute for Health and Care Research National Institute for Health and Care Research (NIHR) HPRU, part of her role is to investigate the pathway linking air pollution exposure at various levels and sources (PM2.5, black carbon, nitrogen dioxide) and disease risk from epidemiological and experimental (chamber) studies, and to establish whether exposure to pollutant components is associated with increased cardio-pulmonary disease risk, including gene methylation and metabolic phenotyping.
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposure
Publications:
Dr Emily Cheek

Investigator
UK Health Security Agency
Emily is an Environmental Public Health Scientist in the Environmental Hazards & Emergencies department at the UK Health Security Agency (UKHSA). She is particularly interested in chemical hazards and their impact on public health and also has a background in air quality.
Emily has a particular interest in lead exposure including the production of public health intervention concentrations for blood lead levels in children and pregnant women. She is also actively involved in outreach and engagement work, representing the UKHSA on the Public, Community, Involvement, Engagement and Participation committee as well as at events and more broadly working with other agencies including the Environment Agency.
Dr Bethan Davies

Investigator
School of Public Health, Imperial College London
Dr Bethan Davies is a Senior Clinical Lecturer in the School of Public Health and an Honorary Consultant in Public Health Medicine at Imperial College Healthcare NHS Trust. Bethan is the Deputy Director of the UK Small Area Statistics Unit (SAHSU). She was previously the Deputy Director of the National Institute for Health and Care Research (NIHR) Imperial BRC Patient Experience Research Centre (PERC). Bethan’s research interest is in the use of routine healthcare data to build the evidence base for public health policy.
EEH Themes:
Publications:
Dr Sani Dimitroulopoulou

Investigator
UK Health Security Agency
Dr Sani Dimitroulopoulou is a Principal Environmental Public Health Scientist on Indoor Environments at the UK Health Security Agency. She is also an Honorary Senior Lecturer at the UCL Bartlett School. Her interests include exposure assessment to air pollution, based on modelling and monitoring of indoor and outdoor air pollution and ventilation as well as health impact assessments. She has led and participated in more than 40 research and consulting projects. She has published about 90 peer-reviewed papers in international scientific journals and conferences and more than 45 technical research and consulting reports on the above research areas. She works closely with colleagues from Government Departments (e.g. DfE, MHCLG, Defra, BEIS) and Organisations (e.g. WHO, NICE, CIBSE), and Royal Colleges (RCP/RCPCH) to provide expert advice on indoor air quality and health.
EEH Themes:
Theme I Project 3: Acute CO exposure
Theme I Project 6: Indoor Air pollution
Publications:
Professor Paul Elliott

Investigator
School of Public Health, Imperial College London
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposures
theme IV Project 6: Air pollution and infertility
Publications:
Dr Atallah Elzein

Investigator
UK Health Security Agency
Dr Atallah Elzein carried out his PhD in chemistry and environmental sciences in CNRS/Orléans – France, where I studied the interaction of gas pollutants on the surface of mineral oxides. Following my PhD, I took up a postdoctoral position at ULCO University in France where I expanded my experience in atmospheric science and air pollution and investigated the VOCs reaction kinetics and product formation using simulation chamber. I moved to York in the UK in 2016 and took up a postdoctoral position in WACL at the University of York where I focused on studying the chemical composition of PM2.5 in Beijing and Delhi and health risk assessment from carcinogenic compounds. Currently working at the UK Health Security Agency in the department of toxicology in Chilton-Harwell Campus where I’m involved in different projects within the HPRU focusing on health protection from toxicants in indoor and outdoor air.
EEH Themes:
Theme I Project 1: Human Biomonitoring
Theme I Project 3: Acute CO exposure
Theme III Project 4: E-cigerettes toxicity and health effects from second-hand exposures
Theme IV Project 5: Understanding exposures to toxicants from waste fires
Publications:
Dr Dimitris Evangelopoulos

Investigator
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme II Project 5: Disentangling effects of NO2 and PM2.5 in time-series analysis
Publications:
Dr Karen Exley

Investigator
UK Health Security Agency
Her research focuses on environmental public health with specific interests in improving exposure and risk assessment of indoor and outdoor air pollution and environmental chemicals. It also includes evaluating the effectiveness of interventions for both indoor and outdoor air quality and translating this knowledge into actionable public health tools and guidance for national and local government and other stakeholders.
She is a member of the scientific secretariat for the Committee on the Medical Effects of Air Pollutants and was an expert committee member for the National Institute for Health and Care Research (NIHR) Excellence’s Quality Standard on air pollution. She is a Member of the UK Research & Innovation Strategic Priorities Fund’s Clean Air Steering Committee and a Member of the National Institute of Health Research’s Public Health Research Funding Committee.
EEH Themes:
Theme 2 Project 1: Air pollution and adverse birth outcomes
Theme 2 Project 5: Disentangling effects of NO2 and PM2.5 in time-series analysis
Publications:
Dr Tony Fletcher

Investigator
UK Health Security Agency
Surveillance – he is a member of the Environmental Health Tracking Team with a focus on arsenic in drinking water and health and water fluoridation.
Biomonitoring – participating in the the EU funded HBM4EU programme.
Perfluorinated substances (PFAS) research – carrying out epidemiological studies of potential health effects in the 3 largest highly-polluted communities: in Italy, Sweden and the US.
COVID – participating in the national core study on COVID-19 and Transmission risks at work.
He co-led the theme on “Epidemiological assessment of low level environmental exposures”, in the previous HPRU on “Health Impact of Environmental Hazards” with Imperial and Kings.
He has held jobs in the past at IARC, the International Agency for Research on Cancer in Lyon, France, Birmingham University, the MRC Environmental Epidemiology Unit, Southampton and Aston University, where he did his PhD in Occupational Epidemiology. He was Adjunct Research Professor in Environmental Health in the School of Public Health, Boston University, Massachusetts, and past President of International Society for Environmental Epidemiology, serving during 2003-6.
EEH Themes:
Theme II Project 2: Air Pollution/impacts on the brain across the life course
Publications:
Dr David Green

Investigator
Environmental Research Group, School of Public Health, Imperial College London
Dr David Green is a Senior Research Fellow in the Environmental Research Group where he leads the Aerosol Science Team. Research interests focus on the measurement of particles and gases, and their use in source apportionment and health studies, to improve our understanding in both the urban and global environment.
EEH Themes:
Theme II Project 4: Exposures in transport microenvironments and their impact on health
Publications:
Dr Valentina Guercio

Investigator
UK Health Security Agency
Dr Valentina Guercio works at the UK Health Security Agency as a senior environmental scientist. After obtaining her PhD she worked for 6 years as a research fellow at the University of Milan and Mario Negri Institute in Milano. Her research interests are in the epidemiology of cancer and other chronic diseases and the identification of the major risk factors, including air pollution and environmental chemicals. This has been done by carrying out observational studies and systematic reviews and meta-analyses. She was also involved in national and international projects that aimed to combine the epidemiological and toxicological evidence in order to establish a causal relationship between exposures and outcomes.
EEH Themes:
Theme 2 Project 1: Air pollution and adverse birth outcomes
Theme 2 Project 2: Air Pollution/impacts on the brain across the life course
Theme IV Project 6: Air pollution and infertility
Publications:
Dr Christos Halios

Investigator
UK Health Security Agency
Dr. Christos Halios is an urban physicist with a strong research background on physical processes at various atmospheric scales in the urban environment. He has worked for over 20 years in academic and research institutes in Greece, Switzerland and the UK. He is with the UK Health Security Agency since January 2021 as an Environmental Public Health Scientist and also a Senior Visiting Fellow at the University of Reading
Theme I Project 6: Indoor Air pollution
Publications:
Dr Yiqun Han

Investigator
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposure
Publications:
Professor Klea Katsouyanni

Investigator
Environmental Research Group, School of Public Health, Imperial College London
Her research focuses on the health effects of environmental stressors, mainly outdoor air pollution. She has been the Coordinator of the EU network APHEA which provided European wide results on the short-term effects of air pollution and a Partner in several international projects investigating effects of exposure to air pollution and other environmental stressors, as well as their interactions, gene-environment interactions, air pollution effects in sensitive sub-populations, health impact assessment (e.g. PHEWE, AIRGENE, ESCAPE, ELAPSE, EuroHEAT, STEAM, EXHAUSTION, EXPANSE). Currently she is involved in the investigation of long-term effects of air pollution and the urban environment, the effects of ozone on children’s respiratory health, the effects of source-specific particles on health (such as forest fires and desert dust), the short-term effects of PM2.5 and ultrafine particles in Europe and the effects of extremely high temperatures on mortality.
She has been or is a member of several advisory committees (E.C., W.H.O. etc) in environmental health topics. For example, she participated in the 8-member Steering Committee of the REVIHAP and HRAPIE projects (2013) and was a member of the Committee on the revision of the WHO Air Quality Guidelines 2006. She was chair person of the Technical Working Group on Research Needs in the Framework of the European Environment and Health Strategy 2003-04. Member of the Oversight Committee of the NMMAPS project, funded by the US Health Effects Institute. Reviewer of E.C. applications for funding in Biomed and Environment Programmes under FP4, FP5, FP6 and FP7. Member of the ERC Panel for Starting and Consolidator Grants 2010, 2013, 2015 and 2017. She has more than 200 publications in peer reviewed journals and a h-index of 85.
In 2006 she became the recipient of the International Society for Environmental Epidemiology (ISEE) John Goldsmith award for sustained and outstanding contributions to the knowledge and practice of Environmental Epidemiology.
EEH Themes:
Theme II Project 1: Air pollution and adverse birth outcomes
Theme II Project 2: Air pollution/impacts on the brain across the life course
Theme II Project 5: Disentangling effects of NO2 and PM2.5 in time-series analysis
Publications:
Dr Charlotte Landeg-Cox

Investigator
UK Health Security Agency
Charlotte Landeg-Cox is an Environmental Public Health Scientist at the UK Health Security Agency’s Centre for Radiation, Chemical and Environmental Hazards. Charlotte has a BA (Hons) from Liverpool John Moors University and an MSc in Environmental Health from UWE Bristol. Charlotte currently works in the Air Quality and Public Health team within the Environmental Hazards and Emergency department and has experience of acute and chronic incident response, research, evidence translation and communicating public health risk assessments. Charlotte is also a STEM Ambassador and participates in outreach events and activities.
EEH Themes:
Theme I Project 6:Indorr Air Pollution
Publications:
Dr Adam Laycock

Investigator
UK Health Security Agency
Adam Laycock is a Senior Scientist in the Nanoparticle Inhalation Research Group within the Toxicology Department at the UK Health Security Agency. He is an analytical chemist with expertise in metal analysis and particle detection and characterisation in a range of consumer product, environmental, and biological matrices.
EEH Themes:
Theme I Project 2: Biomarkers in smoking and vaping populations
Publications:
Dr Joseph Levermore

Investigator
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme III Project 4: E-cigerettes toxicity and health effects from second-hand exposures
Theme IV Project 2: Microplastics and Health
Publications:
Dr Marion MacFarlane

Investigator
University of Cambridge
Marion MacFarlane is Deputy Director of the MRC Toxicology Unit and Programme lead for the Molecular mechanisms of cell death Programme and the cross-Unit Fibre Toxicity Programme
EEH Themes:
Theme IV Project 2:Microplastics and health
Publications:
Professor Ann McNeill

Investigator
King’s College London
Theme I Project 2: Biomarkers in smoking and vaping populations
Theme III Project 4: E-cigarettes toxicity and health effects from second-hand exposures
Publications:
Dr Christina Mitsakou

Investigator
UK Health Security Agency
Christina has participated into several research projects whilst working in JRC Ispra (1999-2000), NCSR Demokritos (2001-2007), University of Athens (2007-2011), King’s College London (2011-2014), University of Cambridge (2015). Since November 2015, she has been working at the UK Health Security Agency on the health effects associated with exposure to air pollution.
EEH Themes:
Theme 1 Project 6: Indoor Air Pollution
Publications:
Dr Fred Piel

Investigator
School of Public Health, Imperial College London
Dr Fred Piel’s research uses rigorous spatial quantitative methods to study a range of epidemiological questions related to non-communicable disease, global health and low- and middle-income countries. He is leading on disease specific projects looking at environment-health associations, including on cystic fibrosis and sickle cell disease, as well as on methodological projects such as a comparison of space-time methods for non-communicable disease surveillance; the development of a software for disease mapping and risk analysis, the Rapid Inquiry Facility 4.0; and a modelling of spatial uncertainty at small-area level with Emory and Harvard collaborators, funded by NIH. He is part of the UK Small Area Health Statistics Unit (SAHSU) and the MRC Centre for Environment & Health. Dr Piel is also the Director of the Joint Training Programme for the MRC Centre for Environment & Health, the National Institute for Health and Care Research NIHR HPRU in Environmental Exposures & Health, and the National Institute for Health and Care Research NIHR HPRU in Chemical & Radiation Threats & Hazards. I am part of the Postgraduate Research Studies Committee of the School of Public Health.
EEH Themes:
Theme I Project 5: Bioaerosol quantitation and effects
Theme II Project 3: Indoor exposures and health
Theme IV Project 1: Human health impacts from exposures to perfluorinated chemicals
Publications:
Dr Debbie Robson

Research Associate
King’s College London
Dr Debbie Robson, RMN, PhD, Senior Research Fellow, National Addiction Centre, Addictions Department, Institute of Psychiatry, Psychology & Neuroscience, King’s College London. Debbie works in the Nicotine Research Group, in the National Addiction Centre, King’s College London. Her work focuses on the development and evaluation of tobacco dependence treatment pathways, staff training pathways, and smokefree policies. Debbie is part of the National Institute for Health and Care Research (NIHR) South London Applied Research Care (ARC) where she leads a programme of research about tobacco dependence and treatment across King’s Health Partners. She is also a member of National Institute for Health and Care Research (NIHR) King’s Health Protection Unit, where she works with PHE colleagues on a programme of research about the effect of exposure to e-cigarettes in high-risk groups. She is a co-author of UK Health Security Agency commissioned annual evidence reviews of e-cigarettes and is a Trustee of Action on Smoking and Health (ASH).
EEH Themes:
Theme I Project 2: Biomarkers in smoking and vaping populations
Publications:
Dr Liza Selley

Investigator
MRC Toxicology Unit, Cambridge
Liza began her research in 2013, whilst completing her PhD at Imperial College, London. These studies included a year of training with the Environmental Research Group as part of an In Vitro Toxicology society funded mini fellowship. Currently her projects focus on aviation emissions, brake wear particles and wood smoke, exploring how these pollutants affect cellular functions and susceptibility to infection.
Outside of the laboratory, Liza is a keen member of our Public Engagement team. She has participated in educational events and appeared as a guest expert for national TV, radio, podcasts and Shambala festival.
EEH Themes:
Theme 3 Project 1: Understanding key molecular events following pollutant exposure
Theme 3 Project 2: Health Effects of non-combustion particles
Publications:
Dr Rachel B Smith

Investigator
Imperial College London
Rachel is a postdoctoral Research Associate in the Department of Epidemiology and Biostatistics at Imperial College London.
EEH Themes:
Theme II Project 1: Air pollution and adverse birth outcomes
Theme IV Project 6: Air pollution and infertility
Publications:
Dr Rachel Smith

Investigator
UK Health Security Agency
Dr Rachel Smith had led the multidisciplinary Nanoparticle Inhalation Research Group at the UK Health Security Agency’s Centre for Radiation, Chemical and Environmental Hazards for the past decade. Key research interests are lung deposition, clearance, translocation and toxicity of inhaled nanoparticles and other air pollution components, including their impact on pre-existing health conditions. She provides advice to UK Government on Nano safety and is a member of the OECD Working Party on Manufactured Nanomaterials.
EEH Themes:
Theme III Project 3: The role of AhR in Asthma
Theme IV Project 2: Microplastics and health
Publications:
Professor Mirielle Toledano

Investigator
School of Public Health, Imperial College London
Professor Mirielle Toledano is an investigator on Theme II and Theme IV projects.
EEH Themes:
Theme II Project 2: Air pollution/impacts on the brain across the life course
theme IV Project 6: Air Pollution and Infertility
Publications:
Professor Anne Willis

MRC Toxicology Unit, Cambridge Lead
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposure
Publications:
Mr Dylan Wood

Investigator
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme II Project 2: Air Pollution/impacts on the brain across the life course
Publications:
Dr Matthew Wright

Investigator
UK Health Security Agency
Dr Matthew Wright is a Senior Aerosol Scientist within the Nanoparticle Inhalation Research Group, Toxicology Department, UK Health Security Agency. His main area of research involves studies on the aerosol characteristics, composition, lung deposition and toxicological effects associated with exposure to a range of agents including aerosolised carbon nanotubes, e-cigarette aerosol, nanoparticle-enabled consumer products and 3D printing emissions. He is partly responsible for the design, maintenance, operation and data analysis associated with aerosol generation, measurement instrumentation, and in vitro and in vivo exposure systems.Matthew previously worked as Senior Research Associate in the Atmospheric Chemistry Research Group, University of Bristol, having obtained Ph.D. (2011) and M.Sci. (2004) degrees in Physics, also at Bristol, where research focused on a range of topics including submicron and ultrafine aerosol size distributions in urban, rural, indoor and transport environments, development of gas and aerosol tracer technologies to study dispersion (including infiltration into buildings) and chemical reactivity in the urban atmosphere. Whilst at Bristol he was also involved in studies involving air pollution measurements in a SE Asian megacity (Bangkok, Thailand), ambient aerosol electric charge state and the potential influence on lung deposition in human volunteers, and the relationship between air ions, aerosols and atmospheric electricity in urban and other environments.
Matthew has been involved with a number of outreach activities to share the group’s research with the public, including New Scientist Live and Oxford Ideas Festival, and is active within the UK Health Security Agency on the Environmental Sustainability Champions Group. He has also been an active member of the Aerosol Society throughout his postgraduate and postdoctoral career, and has served on the Committee for several years, most recently taking up the role of Treasurer in November 2020, and as a member of the Institute of Physics.
EEH Themes:
Theme III Project 4: E-cigerettes toxicity and health effects from second-hand exposures
Theme IV Project 2: Microplastics and health
Publications:
Dr Hanbin Zhang

Investigator
Environmental Research Group, School of Public Health, Imperial College London
EEH Themes:
Theme III Project 1: Understanding key molecular events following pollutant exposure
Publications:
Management Team
Dr Kerry Broom

Knowledge Mobilisation Manager
UK Health Security Agency
Kerry is working to mobilise knowledge generated in these three HPRUs, seeking opportunities for the translation of research into practice, policy and commercially, and strengthen the working relationships of stakeholders, the public and partners.
She has worked at the UK Health Security Agency (formerly Public Health England) for over 15 years and during that time, Kerry has provided scientific secretariat to the UK Committee on Medical Aspects of Radiation in the Environment (COMARE) and to the High-Risk Aerosol Generating Procedures Panel set up during the COVID-19 pandemic. She also has experience in scientific management of the Radiation Protection Research programme for the Department of Health.In recent years, Kerry’s role has focussed on scientific research on the neurobiological effects of exposure to electromagnetic fields (EMFs). She studied the effects of radiofrequency and power frequency field exposure on behaviour; gene expression and brain structure as well as exposure related effects on circadian rhythm control. She was involved with the international GERoNiMO project (Generalized EMF research using novel methods. An integrated approach: from research to risk assessment and support to risk management).
Publications:
Ms Valentina Lotti

PCIEP Administrator
Environmental Research Group, School of Public Health, Imperial College London
Dr David Rhodes

Knowledge Mobilisation Lead
UK Health Security Agency
Publications:
Mrs Laura Ruane

Unit Administrator
Environmental Research Group, School of Public Health, Imperial College London
KNOWLEDGE MOBILISATION MANAGER
PUBLIC,COMMUNITY, INVOLVEMENT, ENGAGEMENT & PARTICIPATION ADMINISTRATOR
KNOWLEDGE MOBILISATION LEAD
UNIT ADMINISTRATOR
Dr Eduardo Seleiro

Dr Diana Varaden

PCIEP Coordinator
Environmental Research Group, School of Public Health, Imperial College London
Dr Diana Varaden is a Postdoctural Research Fellow in the Environmental Research Group with multidisciplinary skills in the fields of air pollution and social science. She is interested in interdisciplinary work bridging natural science, social and health disciplines and in identifying the benefits of involving lay individuals in the research process.
Publications:
Dr Stephanie Wright

Theme IV Co-Lead
Environmental Research Group, School of Public Health, Imperial College London
Dr Stephanie Wright is a UKRI Rutherford Research Fellow and Lecturer in Environmental Toxicology at Imperial College London. Research in her lab focuses on the emerging topic of micro/nanoplastics and human health. With an emphasis on the air, her interests are in detection methods and exposures; biokinetics and -accumulation; and particle and chemical toxicology, all from a human health perspective.
EEH Themes:
Theme IV Project 2: Microplastics and health