Sergio Franklin is a researcher at the Brazilian Private Insurance Regulator (Susep). His research interests include economics of insurance and catastrophes, applied mathematics and data science. Sergio received his doctorate degree from the Pontifícia Universidade Católica do Rio de Janeiro (Brazil), and his master degree from the Institut Européen d’Administración des Affaires (France). In 2016, he was a visiting researcher at the Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research (USA). Recent work has examined the existence of tipping points in Amazon ecosystems, and the likelihood and possible economic impact of a large-scale forest dieback.