European Biosolids & Organic Resources Conference


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Steering Committee


Steve Bungay, Owner and Director, Helix Environmental Consultancy Ltd  

Steve is the founder and owner of Helix Environmental Consultancy Ltd, which is an independent consultancy, specialising in the process design and commissioning of wastewater treatment plants, anaerobic digesters, and liquor treatment plants.

He is a practising scientist; dividing his time amongst desk based design work, on-site commissioning and trouble-shooting, and working as an Expert Witness. He has a degree in combined science from Brighton Polytechnic, a masters degree in air and water pollution control from the University of Westminster, and a masters degree in water and wastewater engineering from Cranfield University.

Steve is a Chartered Biologist, a Member of the Royal Society of Biology, and a Member of CIWEM. He chairs CIWEM’s Wastewater and Biosolids technical panel, and is the wastewater specialist for the Foundation for Water Research. Steve is also a guest lecturer at Cranfield University.

He has a wealth of experience in the water and environmental sectors, and he works as an Expert Witness in the fields of wastewater treatment, anaerobic digestion, and odour control.


Dr Fiona Nicholson, Senior Research Scientist, ADAS 

Fiona gained a BSc in Environmental Chemistry at Manchester University and went on to complete her PhD at Lancaster University where she studied the fate and behaviour of cadmium in soil-plant agroecosystems.  Since joining ADAS in 1996 as a Senior Research Scientist, she has worked on a variety of research projects investigating the agronomic benefits and environmental impacts of recycling organic materials to agricultural land. She has been Deputy Editor of the journal ‘Soil Use and Management’ since 2014, and is a member of the British Society of Soil Science and the FAO RAMIRAN network (Research Network on Recycling of Agricultural and Industrial Residues in Agriculture). As well as regularly attending international scientific conferences, she has authored over 100 publications in scientific journals and conference proceedings.


Clive Humphreys, Senior Advisor, Environment Agency  

Clive is a waste management specialist with a background in environmental policy and regulation.  He has 25 years experience in the industry and has worked on issues as diverse as the introduction of environmental permitting, waste framework directive negotiations, waste crime, end of waste criteria and the exemptions review.

Since 2010 Clive has represented the Environment Agency in its dealings with the water industry on waste management issues. He advises Defra on approaches to the regulation of sludge treatment, the impact of Ofwat’s market reforms on the sludge market, and pressures on the landbank from an increased supply of digestates.  Clive was instrumental in introducing recent changes to landspreading permits and is currently undertaking an evaluation of biowaste treatment permits.


Prof Céline Vaneeckhaute, Assistant Professor, Department of Chemical Engineering, Director, BioEngine – Research team on green process engineering and biorefineries, Faculty of Science and Engineering, Université Laval    

Céline Vaneeckhaute obtained a Bachelor and MSc degree in bioscience engineering at Ghent University (Belgium) with a specialisation in environmental technology. She achieved a double PhD degree (water engineering + applied biological sciences) for her innovative and multidisciplinary work on resource recovery from digestates, which involved both experimental field work as well as advanced mathematical modelling. She worked for the Québec City Government as assistant director of the city’s anaerobic digestion project, and also worked as independent consultant in the field of resource recovery. She is now assistant professor at Laval University in Québec, where she coordinates the BioEngine research team on green process engineering and biorefineries ( She received more than 10 research awards over the last 5 years, such as the Emerging Talent Award in Municipal Infrastructures, the Water Technology Award and the Engineer award.


David Inman, Innovation Technologist, Anglian Water  

David currently works at Anglian Water and has worked in Research & Innovation in the Water Industry for over 15 years. He finished his Master’s in Water Pollution Control Technology at Cranfield University in 2004, after which he went on to complete a doctorate, funded by the EC-funded project, Aquastress, investigating causes and solutions to Water Stress Mitigation in Europe. He is currently an Innovation Project Manager at Anglian Water Services working on novel processes for water recycling and sludge management.



Alec Llewellyn, Sludge/Bioresources Manager, Northumbrian Water          

Alec has worked for Northumbrian Water for over 20 years and has held a number of Senior operational roles within the company, including managing Sewage Treatment works, Water treatment and Sludge drying plants. For the last 8 years he has been the Sludge/Bioreources Manager responsible for sludge logistics and biosolids recycling for the company. He has chaired the Wateruk Biosolids Network and been involved since the inception of the Biosolids Assurance Scheme & has been a director of Assured Biosolids Lts since 2015.