Arjen Wals is a Professor of Transformative Learning for Socio-Ecological Sustainability at Wageningen University, where he also holds the UNESCO Chair of Social Learning and Sustainable Development. Furthermore, he is a Guest Professor at the Norwegian University for the Life Sciences (NMBU) and holds an Honorary Doctorate from Gothenburg University in Sweden. His work focuses on enabling, supporting and assessing ecologies of learning that foster sustainable living by inviting more relational, ethical and critical ways of knowing and being. He writes a regular blog that signals developments in the emerging field of sustainability education: www.transformativelearning.nl