About César Cielo César Augusto Cielo Filho (born January 10, 1987 in Santa Bárbara d'Oeste, São Paulo, Brazil) is a Brazilian professional swimmer who specializes in sprint events. He is the most successful Brazilian swimmer in history, having obtained two Olympic medals, two World Aquatics Championships gold medals and breaking a world record within a one-year span. His gold medal at the 2008 Olympics, in the 50m freestyle competition, is Brazil's sole Olympic gold in swimming to date.Cielo began his career at small swimming clubs in his native state. At the age of 16, he transferred to Esporte Clube Pinheiros, in São Paulo, to train and develop with coach Alberto Silva and Brazilian swimming legend Gustavo Borges. In 2006, he received a scholarship from Auburn University, in the United States, where he trains under Australian coach Brett Hawke. Cielo competed for eight-time NCAA National Champion Auburn Tigers' Swimming and Diving team. He was also tutored by short-distance specialist Fernando Scherer in 2008. Cielo is sponsored by Esporte Club Pinheiros, Arena and Correios. He represents Pinheiros in Brazilian competitions, and also trains there, when in São Paulo.