Born in Buenos Aires in 1946, he studied architecture in his home town. When he graduated in 1971 he was already designing furniture as a partner of an interior design business.
In 1975 he left Argentina, acquired Spanish citizenship and in 1977 settled in Barcelona. Together with designer Alberto Lievore and theorists Norberto Chaves and Oriol Pibernat he sets up the "Berenguer Group". In 1984, Jorge Pensi opened his own design office. He works for international companies as designer and architect. In 1993 he started teaching.