Daniel began studying the viola at the age of ten with Alexander Technique specialists Conxa Morató and Caridad Zarzo. Upon completing his studies at the age of twenty, he was appointed Principal Viola of the Melilla Symphony Orchestra and viola professor at Melilla’s School of Music. He held this position for four years before successfully auditioning for the Orquestra do Algarve, where he won the co-principal viola position.

In Spain, Daniel has performed with numerous orchestras, including Orquesta de Valencia and Orquesta de Extremadura. He is currently Principal Viola of the Orquestra Cum Jubilo del Camp de Tarragona and an active member of the Catalan cultural association of Music, Ars Aurea Sonora. He is also the Artistic Director of the Castellvell MusicFest.

Between 2009 and 2010, Daniel toured extensively across Spain, performing Rózsa’s Viola Concerto twenty times, as well as giving over sixty duet concerts with his sister, flautist Nelia Sanxis.

Since moving to the UK in 2005, Daniel has established himself as a highly sought-after orchestral musician. He performs regularly with leading ensembles, including The Hallé, Royal Liverpool Philharmonic Orchestra, Royal Scottish National Orchestra, Royal Northern Sinfonia, Orchestra of Opera North, Welsh National Opera, Heritage Orchestra, Northern Ballet Orchestra, National Symphony Orchestra of Ireland, RTE Concert Orchestra, Manchester Camerata, Scottish Ballet, and Scottish Chamber Orchestra.

As a dedicated chamber musician, Daniel maintains an active schedule of performances, tours, and recordings with the Liverpool String Quartet, which he co-founded in 2010. With the LSQ, he has performed in over 500 concerts throughout the UK, Spain, Catalunya, and across Europe.