Ivo Nilsson made his debute as a soloist with the Swedish Radio Symphony Orchestra in 1989, after studies at the Royal Academy of Music in Stockholm and at IRCAM in Paris. The same year he also made his debute as a composer with an octet premiered by ensemble l´Itineraire at Radio France.
He is a member of the ensembles Axelsson & Nilsson-duo, Ensemble Son and KammarensembleN. As a soloist and with the above mentioned ensembles he has had performances at festivals like Beyond 440 Hz (Los Angeles), Chicago Jazz festival, Gaudeamus Music Days (Amsterdam), Huddersfield Contemporary Music festival, Inventionen (Berlin), Ilhom (Tashkent), Musica (Strasbourg), Roaring Hoofs (Mongolia), 2 Days and 2 Nights (Odessa), Sonorities (Belfast), Spazio Musica (Cagliari), Spectra (Tirana), Time of music (Viitasaari), Transart (Bolzano), Ultima (Oslo), Warsaw Autumn and the ISCM World Music Days (Hong Kong, Stockholm and Zagreb). 
His is a recording artist on the labels Alice, Caprice, dbp, Phono Suecia, SFZ & Wergo. In 2007 Ivo Nilsson was awarded the Interpreters price from the Society of Swedish Composers.