Meet our expert speakers for the 2025 conference and workshop

Mark Biddle
Mark Biddle
engineering manager
Enpure
Dr Edo Boek
Dr Edo Boek
reader (associate professor) in chemical engineering
Queen Mary University of London
Alan Brown
Alan Brown
head of water quality and assurance
Northumbrian Water
Madeleine Bussemaker
Madeleine Bussemaker
associate professor in chemical engineering
University of Surrey
Carolyn Cadman
Carolyn Cadman
director of net zero and natural resources
South West Water
Irene Carra
Irene Carra
senior lecturer in chemical processes
Cranfield Water Science Institute
Marek Cegielski
Marek Cegielski
head of water services science
Dwr Cymru Welsh Water
Charles Chantler
Charles Chantler
senior manager, catchment sensitive farming
Natural England
Jenny Fathers
Jenny Fathers
customer insight specialist
United Utilities
Katrina Flavell
Katrina Flavell
innovation technical specialist
Yorkshire Water
Rachel Fox
Rachel Fox
engineering manager
Scottish Water
Guy Franklin
Guy Franklin
head of water quality and compliance
Southern Water
John Gaffney
John Gaffney
digitalisation leader in water & waste water
Siemens
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Karyn Georges
managing director – UK
Isle Utilities
Killian Gleeson
Killian Gleeson
postdoctoral research associate
University of Sheffield
Robin Halford-Maw
Robin Halford-Maw
water quality and public health manager
United Utilities
David Harris
David Harris
managing director of water services
South West Water
Katie Henderson
Katie Henderson
general manager
E2Metrix - an Ovivo Company
Jonathan Hillier
Jonathan Hillier
senior programme manager for the Fens Reservoir
Anglian Water
Stewart Husband
Stewart Husband
water researcher
University of Sheffield
Peter Jarvis
Peter Jarvis
professor of water science & technology
Cranfield University Water Science Institute
Matthew Jones
Matthew Jones
public health manager & chair of Water UK’s PFAS group
Wessex Water
Zoe Kellock
Zoe Kellock
network maintenance programme lead
Affinity Water
Onno Kramer
Onno Kramer
visiting senior lecturer & senior advisor
Queen Mary University of London & Waternet
Fraser Leith
Fraser Leith
PFAS hazard owner
Scottish Water
Denise McGlynn
Denise McGlynn
client manager – water and resource management
Energy & Utility Skills
David Megson
David Megson
reader in chemistry and environmental forensics
Manchester Metropolitan University
Ashleigh Parker
Ashleigh Parker
principal inspector
DWI
Fenna Philipse
Fenna Philipse
researcher drinking water
Waternet
Jack Picketts
Jack Picketts
lead project manager
Severn Trent
Oli Raud
Oli Raud
principal consultant
Isle Utilities
David Reay
David Reay
head of strategic partnerships
Puragen
Dave Reynolds
Dave Reynolds
drinking water quality regulator for Scotland
Scottish Government
Marcus Rink
Marcus Rink
chief inspector
DWI
Sophie Rushton
Sophie Rushton
community liaison manager
Severn Trent
Steffen Rüting
Steffen Rüting
senior sales & process engineer – water reuse & AOP
Xylem
Paul Stanfield
Paul Stanfield
groundwater strategy manager
Wessex Water
Garry Tabor
Garry Tabor
director - smart water solutions
British Water
Anna Taliana
Anna Taliana
project manager – Water Quality First
Dwr Cymru Welsh Water
Hugh Thomas
Hugh Thomas
water treatment service line director
AtkinsRealis
Chedly Tizaoui
Chedly Tizaoui
professor in chemical engineering
Swansea University
Oliver Twydell
Oliver Twydell
water regulations and public health business leader
Severn Trent
Patrick van Hees
Patrick van Hees
R&D manager PFAS and environmental pesticides
Eurofins
James Wallin
James Wallin
Editor in Chief
Utility Week
Gemma Ward
Gemma Ward
water quality risk and optimisation manager
Anglian Water
Doug Whitfield
Doug Whitfield
director of operations
South East Water