Pedro Vares was born in Uruguay, where he began his double bass studies with Prof Carlos Weiske. In 1995 he joined the  Montevideo Philharmonic Orchestra as an intern, becoming a permanent member in 1998.

He furthered his studies at the Geneva Superior Conservatory of Music, Switzerland, in the classes of Professors Mirella Vedeva and Franco Petracchi. After completing his instrumental diplomas, he enriched his musical knowledge with a degree in musicology at the University of Geneva.

Throughout his career he collaborated with numerous orchestras and ensembles in Switzerland,  including Orchestra de la Suisse Romande , Orchestre de Chambre de Lausanne, and Ensemble Contrechamps, under the baton of renowned conductors such as Kurt Masur, Charles Dutoit, Leonard Slatkin, Christoph Von Dohnányi and Rafael Frübeck de Burgos.

Principal Double Bass of Sinfonietta de Lausanne from 2005 to 2014, he has since joined the Gulbenkian Orchestra in Lisbon, Portugal, as Principal Double Bass as of the 2014/2015 season.

His interest in ancient music has led to collaborations with musicians such as Chiara Banchini, Florence Malgoire, Gaetano Nasilo, Carlos Mena and Leonardo García Alarcón, and to the of study viola da gamba with Prof. Cecilia Knudtsen.

His love of teaching has taken him to festivals and masterclasses in Venezuela, Argentina, Uruguay and Estonia.