This two-week course highlights the significance of behavioural change across the sanitation value chain. Participants are exposed to behaviour theories and advocacy methods from prominent sanitation professionals who have designed and implemented impactful interventions in Africa, Asia and Latin America. By reflecting on what has worked and what has not, the course challenges the erroneous notions of behaviour being rational, and education being the best way to induce change. Participants will come away with an understanding of the concepts underpinning behavioural change, as well as demonstrating an awareness of approaches that have promoted change in a diverse range of populations and contexts.