Sérgio Sacani is the founder of Space Today, the largest astronomy channel in Brazil on YouTube. With a background in Geophysics from USP and a master’s and doctorate in Petroleum Engineering and Geosciences from UNICAMP, Sérgio is a passionate science communicator. He created the Space Today blog and channel to share news, discoveries, and curiosities about the universe, making space science accessible and interesting to the general public. Additionally, he hosts the Ciência Sem Fim channel, where he interviews experts and enthusiasts in science and technology, significantly contributing to science communication in Brazil.