Reinier Baas (b. 1985, Hilversum) is a Dutch guitarist, composer and bandleader whose music cuts across jazz, hip-hop, 20th-century classical and improvised music. He has released over eleven albums as a leader or co-leader, twice won the Edison Award - the Netherlands' top music prize - and in January 2026 was named winner of the Boy Edgar Prize, the most prestigious honour in Dutch jazz and improvised music. He teaches at the Conservatorium van Amsterdam and serves as artistic director of the Dutch National Youth Jazz Orchestra (NJJO) for the 2025-2026 season.
Reinier Baas was named winner of the Boy Edgar Prize 2025, the most prestigious award in Dutch jazz and improvised music, with the jury calling him an 'authentic innovator' who makes complex music accessible to a broad audience.
Baas released 'In Orbit', a new album with his trio Deadeye (Kit Downes and Jonas Burgwinkel), exploring jazz, rock, folk and 20th-century classical music.
Baas was appointed artistic director and conductor of the Dutch National Youth Jazz Orchestra (NJJO) for the 2025-2026 season.
Baas and long-time collaborator Ben van Gelder released their third duo album 'This Is Water', featuring guest appearances by drummers Han Bennink and Jeff Ballard and pianists Cory Smythe and Marta Warelis.
Baas released 'Relief Party', a solo album commissioned by the Bimhuis in Amsterdam, with music partly written using a custom modal theory app.
