Ophélia Miralles is a statistician at EPFL researching on environmental hazards and the assessment of human activities’ contribution to global climate change. Prior to that, she was part of the fast-growing and dynamic Quantitative Execution Services (QES) team in Goldman Sachs’ securities department, developing the core algorithm for optimal execution and participating in cutting-edge research on the effective cost of systematic factor strategies. She is also an alliance manager for Renctas, a NGO that tackles wildlife trafficking in Brazil.