Izaias Almada is a well-known Brazilian novelist, playwright and screenwriter, the author of four novels, three short story collections, three non-fiction books, a biography and several plays and movie scripts. He has received numerous awards, including a gold statue for advertising at the Cannes Lions Festival in 1984, the Literary Revelation Award in 1989, the prestigious Vladimir Herzog Award of Human Rights, 1995. Matheus Grasselli is a Professor of Financial Mathematics and the Chair of the Department of Mathematics and Statistics at McMaster University in Hamilton, Canada, former Deputy Director of the Fields Institute for Mathematical Science in Toronto, Canada, the author of numerous articles on optimal investment, banking networks and financial fragility. His international career includes teaching, publications, and lectures in the USA, Brazil, Britain, and France.