Born in 1988 in a "musical" family, even though none of the members devote themselves to professional music.
In 2004, Quinn began playing electric bass at school JB Jazz in Lisbon. The very next year, opted for the double bass, with the teacher's Yuri Daniel and Demian Cabaud .
After JB Jazz, entered Escola Superior de Música de Lisboa, studying with musicians like Peter Moreira, Nelson Cascais, Afonso Pais and Bernardo Moreira, having the opportunity to attend workshops with such figures as John Taylor, Lee Konitz, and Dan Weiss Ohad Talmor .
Represented the school on several occasions, particularly on the Festa do Jazz do S. Luiz, where his performance was recognized in 2011. Mobility within the European area of education , he attended the Conservatoire National Supérieure de Musique et de Danse de Paris, having crossed path with musicians such as Fred Hersch , Billy Hart, Larry Grenadier, Anders Jormin, Riccardo Del Fra and Dre Pallemaerts. After the parisian experience, headed to New York, where he had private lessons with Matt Penman, Joe Martin and Ian Froming .
Currently , and in addition to his own projects, António Quintino is part of the LA New Mainstream, Paula Sousa Quartet, Trio Daniel Bernardes, Gonçalo Silvers ' " Canta Galo Gordo ", Amélia Muge & Michales Lukovikas, Pedro Esteves, Janita Salomé, Cristiana Waters, José Salgueiro, José Peixoto, Joan Rivers and the Hot Club Jazz Orchestra .