About us

The Ireland Brownfield Network comprises ten environmental professionals from academia and professional services in Ireland. In 2017, a new committee was elected:

Anne Marie Casey

Anne-Marie Casey

Organisation:ESB International

Sector:Environmental Specialist

Contact:ESB International, One Dublin Airport Central, Dublin Airport, Cloghran, Co. Dublin


Anne Marie Casey is the Chairperson of the Ireland Brownfield Network. She is a Senior Specialist with ESB International with over 17 years' experience having worked as an environmental specialist in Ireland, Northern Ireland, UK, Azerbaijan and America. Anne Marie is a Chartered Environmentalist and a Chartered Scientist in the UK and Ireland (CIWEM). She holds an honours B.Sc. (Geol) degree from the UCC, M.Sc. in Environmental Engineering from Trinity College Dublin. Her areas of expertise include waste management and environmental liability assessment in relation to soil, ground-gas, air quality, construction noise, surface water and groundwater risk assessment and remediation.

Owen Williams

 Ireland Brownfield Network

Organisation:Brownfield Development Services

Sector:Independent Advisory Service

Contact:5 Cromac Avenue, The Gasworks, Belfast, BT7 2JA


Owen is a freelance environmental advisor working with clients who acquire and develop brownfield sites throughout Ireland. Owen is the founding Chair of the Ireland Brownfield Network and is a former environmental insurance broker, consultant and regulator. His 20 years' experience and expertise in quantifying and managing environmental liabilities has earned him a reputation as being a pragmatic problem solver dedicated to the appropriate and sustainable redevelopment of brownfield sites

David Kerr

Rory Doherty

Organisation:WYG Environmental and Planning NI Ltd.

Sector:Environmental Consultancy

Contact:1 Locksley Business Park, Montgomery Road, Belfast BT6 9UP


David is a Senior Environmental Consultant with WYG, an award multi-disciplinary consultancy based throughout the UK and Ireland. David provides advice to a wide range of public and private sector client's on the management of land contamination and environmental risks associated with owning, managing and developing brownfield sites. Before joining WYG, David had gained experience as an independent Environmental Advisor and Environmental Scientist involved in the assessment, management and remediation of pollution incidents. David has professional experience in contaminated land surveys and assessment, human health risk assessment, environmental impact assessment, waste classification and invasive species.

Dr Siobhan Cox

Ireland Brownfield Network

Organisation:Queen’s University Belfast

Sector:Academia

Contact:Environmental Engineering Research Centre School of Planning, Architecture and Civil Engineering, Queen's University Belfast, Belfast, BT9 5AG


Siobhan is a Senior Lecturer at Queen's University Belfast. Her research interests include risk assessment of contaminated sites including human health risk assessment, the use of bio-accessibility testing and differentiating between geogenic and anthropogenic sources of contamination. Dr. Cox has also considerable industrial experience of leading the assessment and management of contaminated land, successfully delivering multi-million pound construction projects as a contaminated land consultant, before entering academia in 2003. She is currently a project leader on the €3.7M REMEDIATE Marie Curie ETN and a work package leader on the £550k InnovateUK funded LowCoPreCon project.

Dr Rory Doherty

Rory Doherty

Organisation:Queen's University Belfast

Sector:Academia

Contact:Environmental Engineering Research Centre School of Planning, Architecture and Civil Engineering, Queen's University Belfast, Belfast, BT9 5AG


Rory is an academic that applies chemistry, geophysics and microbiology to environmental problems to produce viable engineering solutions. His interests are: Sustainable Remediation of Pollution, Identification and apportionment of Potentially Toxic Elements, Restoration of Peatlands, The Circular Economy, Reuse & Recovery of Hazardous & Valuable Materials. Rory is Lead coordinator and scientist in chief of the EU Marie Sk?odowska-Curie Innovative Training Network REMEDIATE (2014 -2018) Total Project Value €4 million which has 12 PhDs across 6 Beneficiaries with over 15 project partners from industry and the public sector.

Olivia Holmes

Olivia Holmes

Organisation:Malachy Walsh Partners

Sector:Environmental Consultancy

Contact:Park House, Mahon Technology Park, Bessboro Road, Blackrock, Cork


Olivia is a Senior Environmental Consultant with over fifteen years' experience in Environmental Engineering focussing primarily on contaminated land assessment and remediation, waste management and Environmental Impact Assessment (EIA) and planning. Prior to joining Arup and Malachy Walsh and Partners, Olivia gained experience working in local authorities in Ireland. Olivia is recognised by Engineers Ireland as being suitably qualified and experienced to carry out risk-based assessment certifications of historic landfill sites and contaminated land sites.

Dr. Olivia Hall

Olivia Hall

Organisation:CHC Environmental Services

Sector:Environmental Consultancy

Contact:Bolacreen, Ferns, Co. Wexford, Ireland


Olivia is Managing Director for CHC Environmental Solutions Ltd - an independent environmental consultancy specialising in the areas of contaminated land, risk assessment, remediation, environmental liability management and environmental monitoring & compliance. CHC Environmental Solutions Ltd provide advice to public and private sector clients on the design and implementation of remediation technologies to manage the risk associated with brownfield sites.

Dr Chaosheng Zhang

Ireland Brownfield Network

Organisation:National University of Ireland, Galway

Sector:Academia

Contact:Dr. Chaosheng Zhang Head, GIS Centre, Ryan Institute and School of Geography and Archaeology National University of Ireland, Galway, Ireland


Dr. Chaosheng Zhang is head of GIS Centre, Ryan Institute, National University of Ireland, Galway. His academic background covers both GIS and environmental geochemistry, with his research focusing on spatial analyses of environmental variables and geo-statistical techniques. He has published more than 80 peer-reviewed papers and has strong international research experience in China, Sweden, USA, Australia, Jamaica and Ireland. He is Chair and organizer of two internationally-leading conferences on environment and health.

Christopher Newton

Christopher Newtown

Organisation:ARUP

Sector:Consultancy Services

Contact:50 Ringsend Road Dublin Ireland D04 T6X0


Christopher Newton is the Treasurer of the Ireland Brownfield Network. He is a Senior Hydrogeologist and Chartered Geologist with over 11 years' experience in contaminated land and hydrogeology in Ireland and the UK. Christopher sits in the Ground Engineering group in the Dublin office of Arup. He is on the IGI Register of Professional Qualified Geoscientists / Competent (in respect of environmental risk assessment for regulated and unregulated waste disposal and contaminated land) and has recently completed a diploma in Planning and Environmental Law at King's Inns, Dublin. His project experience includes assessments of the impacts of land contamination on human health, groundwater and surface water, ground gas risk assessment, quantitative hydrogeological risk assessment of contaminated land and landfills (groundwater pollutant modelling), asbestos in soil, design of site investigations for land contamination assessments, waste classification, reviewing reports for private and state bodies and acting as an expert witness in land contamination matters.

Claire Clifford

Cait Coyle

Organisation:Enviroguide

Sector:Environmental Consultancy

Contact:Unit 3D, Core C, Block 71, The Plaza, Park West Dublin 12


Claire Clifford is Technical Director with Enviroguide Consulting where she manages the contaminated land group. Claire's experience includes work in Ireland, UK and Canada on a range of brownfield sites for clients in the industrial, property development, petroleum, pharmaceutical and waste sectors. Her areas of expertise include contaminated land and hydrogeology assessments in particular human health and environmental risk assessments and remediation of brownfield sites as well as site investigation, waste classification and project management. Claire has a BSc in Geology from the University College Cork and a MSc in Environmental Sciences from Trinity College Dublin. Claire is a Professional Geologist (PGeo) with the Institute of Geologists of Ireland (IGI) and is listed on the IGI Register of Competent Persons for Unregulated Waste Disposal/Contaminated Land Assessments. Claire is also secretary with the Institute of Geologist of Ireland (IGI).

2012 Inaugural Committee Members were:

  • Owen Williams
  • Dr Rory Doherty
  • Dr Siobhan Cox
  • Andrew Ryan
  • Dr Aoife Shields
  • Dr Chaosheng Zhang
  • Mairead Glennon
  • Aidan Tierney