Dave Tickner is Chief Freshwater Adviser at WWF-UK. He advises river and wetland conservation programmes in the UK and internationally, engages governments and companies on water-related issues, and leads research into global freshwater challenges and solutions. Dave trained as a geographer and began his career as a policy adviser in the UK environment ministry. He then completed a PhD in freshwater sciences from the University of Birmingham before directing WWF’s Danube River programme, based in Vienna. He has held various non-executive, advisory and visiting roles in public, private, academic and not-for-profit sectors and has published widely in scientific journals, grey literature and popular media.