A dancer and performer, he has been involved in a dance-oriented partnership since 1996 with Key Sawao, with whom he directs Key Zetta e Cia. The group joins and invites other creative artists and arts collaborators for research projects on languages and their interrelations. It has won several accolades and its latest productions include: Antes de Desistir (2010), winner of Funarte’s Klauss Vianna Dance Prize; Pode-se apostar que o homem desaparecerá, como um rosto de areia no limite do mar (2008), winner of dance incentive program Programa de Fomento à Dança; and Permitido sair e entrar (2006), winner of the Funarte Klauss Vianna Prize - Petrobras. Key Zetta e Cia also won the 2009 APCA Formation and Creation Prize for its body of work. Besides working on plays and shows, Iazzetta conducts workshops on movement. He lives and works out of São Paulo.