European Biosolids & Bioresources Conference & Exhibition



Steering Committee

Alison Fergusson, Principal Engineer, OFWAT 

Alison is a chartered chemical engineer and chartered environmentalist. She has been at Ofwat for 9 years and has more than 25 years’ experience in the UK water industry. She held a number of roles, including research, engineering design and operational management roles before moving to Ofwat, the economic regulator for the water sector in England and Wales. She is leading the work designing and implementing elements of the economic regulatory framework for the 2019 water sector price review, in particular the approach to bioresources regulation.


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.


Clive Humphreys, 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.



Tamsyn Kennedy, Environment Program Manager, Research & Innovation, Scottish Water

Tamsyn has been in the Water Industry for over 15 years, is a Chartered Environmentalist and has a Master’s in Water Resources from Heriot-Watt University. She has held positions in technical design; construction management and business change. In her current role at Scottish Water she is focussing on wastewater innovation and the Circular Economy.



Alec Llewellyn, Bioresources Manager, Northumbrian Water  

Alec obtained a degree in Geography from the University of Hull and joined Northumbrian Water in 1996. He has held a number of senior operational roles within the company including managing Sewage Treatment Works, Water Treatment Works and operated Bran Sands Sludge drying plant for 3 years – the biggest plant in Europe. For the last 10 years he has been the Bioresources Manager responsible for sludge logistics and biosolids recycling for Northumbrian Water. He has been involved since the inception of the Biosolids Assurance Scheme in 2012 & has been a director of Assured Biosolids Ltd since 2015, overseeing 4 years of successful audits & accreditation for Northumbrian. He is a member of WaterUK Biosolids Network and has attended other networks with WaterUk, been on the project group for several Bioreources projects for UKWIR and attended the sessions with OFWAT to introduce Sludge 2020 – competition within the Bioresources Market.