At SÉRVULO since 2008, António Teles is a partner in the Litigation and Arbitration departments. He has been a lecturer at the Faculty of Law of the Catholic University of Portugal since 1984, year in which he graduated in Law. He was also a lecturer at the Faculty of Law of the University of Lisbon, from 1985 to 1990.

He was a partner of the law firm «Ferreira Pinto & Associados», from 2000 to 2007, and also a partner of «J. A. Pinto Ribeiro & Associados» from 1990 to 1999. He joined the Bar Association in 1988.