Sganzerla was born in Joaçaba, in the state of Santa Catarina. During the 1960 decade, he wrote for the newspaper O Estado de S. Paulo as film reporter. In 1967, Sganzerla directed his first short film, Documentário. In 1968 he directed his first feature film, O Bandido da Luz Vermelha (The Red Light Bandit)[5]
In 1970, he founded the Bel-Air film company, together with Júlio Bressane. Headed by Sganzerla, the company produced the films Copacabana Mon Amour and Sem essa, aranha (1970). In 1985, Sganzerla directed the docufictionNem Tudo É Verdade (It's Not All True) about Orson Welles' arrival to Brazil to film his unfinished documentary It's All True.[6]
Sganzerla died in 2004, of a brain tumor, shortly after finishing his last film O signo do caos.[7]