To help him come to terms with the tragedy of his own homeland, Bosnian photographer Ziyah Gafić turns his camera on the aftermath of conflict, showing his images in galleries, in books and on Instagram.
Nic Marks gathers evidence about what makes us happy, and uses it to promote policy that puts the well-being of people and the planet first. He's the founder of the Centre for Well-Being at the UK think tank New Economics Foundation (NEF).
Antonio Damasio's research in neuroscience has shown that emotions play a central role in social cognition and decision-making. His work has had a major influence on current understanding of the neural systems, which underlie memory, language, consciousness.
Marwa Al-Sabouni suggests that architecture played a crucial role in the slow unraveling of Syrian cities' social fabric, preparing the way for once-friendly groups to become enemies instead of neighbors.
As a director of the World Bank in Nairobi, Peter Eigen saw firsthand how devastating corruption can be. He's founder of Transparency International, an NGO that works to persuade international companies not to bribe.