Santiago Mantas studied piano at Trinity College of Music, London. He continued his conducting and composition studies at the Cologne Hochschule and then at the Vienna Academy with Hans Swarowsky. He later went on to study piano with Jorge Bolet.
Santiago Mantas gave the UK première of the ‘ Three Piano Pieces ' and ‘ The Five Songs ' by Manuel de Falla at the Queen Elizabeth Hall. In the same year Mompou chose him to play his ‘ Variations on a Theme by Chopin ' at the Wigmore Hall. Mantas has performed concertos with leading orchestras such as the Royal Philharmonic Orchestra and has broadcast frequently on BBC Radio 3.
Mantas' compositions are used frequently for feature films, documentaries and advertisements as far afield as Australia, South Africa and the USA. The Royal Philharmonic Orchestra recorded his short minimalist pieces with Santiago Mantas conducting and The Royal Academy of Arts, London, broadcast them in their 2002 ‘ Masters of Colour: Derain to Kandinsky ' exhibition. In commemoration of the outbreak of the First World War, Mantas composed Serenade for Strings ‘Remembrance' and conducted the world première in London during 2014 – the Centenary Year. He was later invited to conduct the Austrian première in 2016.
As pianist-composer, Santiago Mantas has recently elaborated sketches of Robert Schumann's Fourth Piano Sonata. These sketches were discovered in a library in the USA and Mantas has recorded this Sonata as a première CD release. He has also performed UK premières of his own works and those of Armenian composer, Edvard Mirzoyan, with the Beethoven Symphony Orchestra, of which he is Principal Conductor. He also conducts The Sinfonietta and the London Concert Soloists.
During his career Santiago Mantas has toured widely in over thirty different countries at venues which include the Musikverein Vienna, the Royal Albert Hall London and Palau de la Musica Barcelona. He has extensive knowledge of contemporary performing practice of the Classical Period and an area of particular interest is Italian symphonies from that era.