William Cossich received a B.Sc. degree in Meteorology from the Federal University of Rio de Janeiro (UFRJ), Brazil, in 2009, an M.Sc. degree in Civil Engineering, with emphasis on environmental and hydrological resources, from COPPE/UFRJ, Brazil, in 2012, and a Ph.D. degree in Geophysics from the University of Bologna, Italy, in 2021. From 2021 to 2022, he was a Postdoctoral Researcher at the University of Bologna, focusing on remote sensing, radiative transfer, and precipitation estimation. His research spans multiple areas, including cloud microphysics, hydrology, weather forecasting, remote sensing, environmental conditions and health, and renewable energy. He is currently a Methodologies and Models Analyst at ONS, and a consultant for the Climate Change and Sustainability Board of the Brazilian Bar Association, Rio de Janeiro Section (OAB-RJ).