Rai Castells is graduated Summa Cum Laude in Jazz Performance from the University of Berklee College of Music in Boston, USA.

There he received several scholarships as well as the prestigious Elvin Jones Award (Award granted by the Department of Performance of Berklee College of Music).

He has studied with musicians such as George Garzone, Joe Lovano, Hal Crook, Mick Goodrick, Joanne Bracken, among others.

He has played with musicians such as Bill McHenry, Jeff Galindo, Robert Kaufman, Miguel ‘Pintxo’ Villar, Benet Palet, Martí Serra, Jordi Gaspar, Raynald Colom.

He has worked on several recording projects such as Rai Castells Quintet, Rai Castells & Jordi Gardeñas, Monochrome, Henderson Project, Zoom Trio, Aramateix, Big Band de Vic, Jordi Boixadós and other recordings as a sideman.