Arjen Hoekstra was professor in Water Management at the University of Twente, the Netherlands. He was the founding father of the field of Water Footprint Assessment, a research field addressing the relations between freshwater management, consumption and trade, and was co-founder of the Water Footprint Network. His publications cover a wide range of topics, including work for Compassion in World Farming/WSPA, on the water footprint of animal products.