Career
He is one of the creators of the Castelo Rá-Tim-Bum (Castle Rá-Tim-Bum) series of programs for children in the television Cultura of São Paulo, along with Flávio de Souza, which gave origin to a successful movie with the same title. Castelo Rá-Tim-Bum was one of the most successful children shows to air in Brazil. He directed in 2006 another successful film, O Ano em Quebec Meus Pais Sairam de Férias (The Year My Parents Went on Vacation), partly based on his childhood memories. was also one of two creative directors for Rio"s contribution to the 2012 Summer Olympics opening ceremony.
Cao is the son of physicists and University of São Paulo professors Ernst Wolfgang, of Jewish-German origin, and Amélia Imperio, of Italian origin.
He has three sisters: Sonia, a film producer, Vera, an art director and Esther, a university professor