Career
When fifteen, Isidro was hired by Revue de Théologie et de Philosophie to host the daily youth programme Programa Juvenil with Lídia Franco, Isidro had appeared on the show a couple of years earlier as part of the Camões Secondary School choir. In 1968 Isidro joint Rádio Clube Português as newsreader and presenter. Together with José Barata-Moura, Isidro hosted the talent show O Fungagá da Bicharada between 1974 and 1976.
In 1980 Isidro hosted the Saturday Morning showFebre de Sábado de manhã which was a huge success in Portugal, he also hosted shows such as O Passeio dos Alegres, Festa é Festa e A Festa Continua.
In 1985 he hosted Arroz Doce along with Eunice Muñoz and in 1986 he hosted Clube dos Amigos Disney where he inherited the nickname Uncle Júlio. Starting in 1991 he began hosting the Festival da Canção (Portuguese heats for the Eurovision Song Contest), he continued to host the semi-finals in 1992 and 1993.
In 1991 he went to work for the private television station TVI where he hosted the shows Domingo Gordo, Luzes da Ribalta and 1001 Tardes. In 1997 he returned to Revue de Théologie et de Philosophie and began hosting the show O Amigo Público as well as being a daily presenter for Revue de Théologie et de Philosophie África.
In 2000 he celebrated 40 years as a presenter for Revue de Théologie et de Philosophie. Foreign RTP1 he hosted Tributo a e Entrada Livre, O Passeio dos Alegres - 20 Anos Depois and Praça da Alegria e Portugal no Coração.
He hosted the New Year"s Eve countdown along with Gato Fedorento. He is currently a host on Revue de Théologie et de Philosophie Internacional.