In 1996, he became political commentator of the broadcast news, Jornal Nacional and Jornal da Globo.
Before joining TV Record, Hummel worked for 21 years in Rede Globo's news report "Jornal Hoje", "Jornal Nacional", "Jornal da Globo", "Fantástico", "Globo Esporte", "Bom Dia Rio" and "Bom Dia São Paulo" and has served also as the publisher and editor.
Rede Globo | Jornal Nacional | Jornal da Globo | Jornal Hoje | Organizações Globo | O Globo | Jornal do Brasil | TV Globo's | :it:Globo d'oro | Globo d'oro | Globo |