Víctor de Diego was born in Bilbao in 1964. He studied music at the Conservatorio de Música de Bilbao and at the Liceu de Barcelona, majoring in the saxophone. He attended several international seminars in Bilbao, Madrid and Barcelona with Bob Moses, Roy Haynes, Mulgrew Miller, Max Roach, John Abercrombie, and George Garzone, among others.

His professional career began in 1984, when he played with groups such as Pork Pie Hat, Infussion and Quartet Creciente, winning several prizes at the San Sebastián, Getxo, Mallorca and Ibiza festivals, including best soloist at the Donostia Festival in 1986.

In 1986 and 1987, he played with the Bilbao Symphony Orchestra under Enrique García Asensio, in 1992, 2003 and 2004 with the Orquesta de cambra del Teatre lliure de Barcelona under Josep Pons, with the Ballet contemporani de Barcelona in 1994, and with the Russian State Symphony Orchestra under Mstislav Rostropovich in 2001.

Víctor de Diego also works as a studio musician and appears in TV shows such as “Jazz entre amigos” and “Jazz & Co.” on several TV channels (TVE, TV2, TV3, ETB and Canal 33).

He has worked with theatre companies and artists including Armando Manzanero, Olga Guillot, Moncho, Nina or Amaia, with whom he toured throughout Spain between 1986 and 1992.

In 1988 he moved to Barcelona and began leading his own groups and working with a variety of different musical groups. He played in prestigious international jazz festivals including:

• Por Pie Hat (Madrid 1986)
• Apotheke (Barcelona 1990)
• Víctor de Diego Quartet (Barcelona 1993), Quintet (Barcelona 1996)
• Orquesta Associació de Músics de Jazz de Catalunya (Barcelona 1991)
• Big Band Bellaterra (Terrassa 1994)
• Orquesta Taller de Músics de Barcelona with Tete Montoliú (1990-1997)
• John Dubuclet Big Band with Deborah Brown (Marçia and Bayona 1994), with Dennis Rowland (1998)
• Ramón Cuadrada Big Band (Barcelona 2000)
• Oriol Bordas Band with Teddy Edwards (Terrassa 1995)
• Orquesta del Caos (Festival Grec 95 and 2º Festival de Música del siglo XX)
• Ramón Díaz Group (Barcelona 1995, San Sebastián 1997 and Canarias 1999)
• Big Ensemble Taller de Músics “El Jazz mira a Mompou” (Festival Grec 97)
• David Mengual Monkiana (Barcelona 1997)
• Homenaje a Pío Lindegaard (Getxo 1997)
• Andrezj Olejniczak “Three Tenor Suggestions” (Donostia 1997)
• Iruña Big Band (Donostia 1997)
• De Diego Brothers (Donostia 1997)
• Eladio Reinón Latin Big Band with Bebo Valdés (Barcelona 1998)
• Barcelona Jazz Orquestra with Jesse Davis
• Big Band Jazz Terrassa with Dennis Rowland (Barcelona 2000), with Robin Eubanks (Terrassa 2000), with Randy Brecker (Terrassa 2001), with Michael Philipe Mossman (2001), with Carmen Lundy (2001), with John Nugent (Terrassa 2002) and with Frank Wess (Terrassa 2003)
• Groovy Dudes (Girona 2000)
• Xavi Maureta Condició Humana (Terrassa 2001)
• Julian Vaughn Visions (Terrassa 2001)
• David Mengual Mosaic (Terrassa 2001, Donostia 2001 and Girona 2001)
• Chris Kase (Girona 2001)
• La Big Latin Band (Menorca 2001, Barcelona 2001, Rosas 2002, Barcelona Forum 2004, Figueres 2006)
• Víctor de Diego Group (Borja 2002, Zarautz 2002, Lugo 2004)
• Pirineos Jazz Orchestra (Brujas 2003, Festival Plaza, Donostia 2003, Zumaia 2004, Getxo 2005, Salamanca 2006)
• Javier Colina Combo with Pancho Amat (Donostia 2004)
• Laura Simó (Gijón 2004, Estambul 2006)
• Jaume Vilaseca Quartet (Beirut 2002, Tour Colombia 2004, Yecla 2004, Casablanca 2005, Salvador de Bahía 2005, Tour Polonia 2006)
• Víctor de Diego Group (Terrassa 2005, Boadilla del Monte 2005, Zarautz 2005)
• Big Band 40 Aniversario (Donostia 2005)
• Iñaki Salvador Noneto (Donostia 2005, Cannes 2006, Teatro Kursaal de Donostia 2006, Getxo 2008)
• Armando Manzanero (Festival Cap Roig 2006, Palau de la música de Barcelona 2006)
• Barcelona Jazz Orquestra (Terrassa 2006, & Jesse Davis Ramatuelle 2006)
• De Diego Brothers (Getxo 2006, Ezcaray 2006)
• Llibert Fortuny Electric Big Band (Barcelona 2006,Madrid 2006)
• Barcelona Latin Ensemble & Omara Portuondo (Festival Grec 2007, Cruilla de culturas 2007)
• Victor de Diego, Juan de Diego, Eric Reed, Ben Wolfe, Carl Allen (Vitoria-Gazteiz 2007)
• Barcelona Jazz Orquestra & Brad Leali (Foix 2007), with Nicholas Payton (Barcelona, Marçia 2007), with Tony Hadley (Marbella, San Javier 2008), with Frank Wess (Donostia 2008), with Ann Hampton (Sant Feliu de Guixols 2008, Marciaç 2009), with Benny Golson (Lleida 2008)
• Abe Rabade, Víctor de Diego, Perico Sambeat, Alexis Cuadrado, Marc Miralta (Ibiza 2007)
• Jaume Vilaseca Quartet (Pekin 2007, Shanghai, Lleida, Almería 2008)
• Mingus vive (San Juan Evangelista 2008)
• Pirineos Jazz Orchestra with Chano Domínguez (Iruña 2008)
• Joaquín Chacón, Roger Mas, Víctor de Diego (Tour Zimbabwe 2009)
• Jaume Vilaseca Quartet (Bombay, Rabat, Agadir, Barranquijazz, Brussels 2009)
• Laura Simó & Pedro Ruy Blas “Sueño Inmaterial” (Madrid, Barcelona, New York-Carnegie Hall 2009)
• Barcelona Jazz Orquestra with Jesse Davis (Marciac 2009)
• Publio Delgado Jazz Ensemble “Lord Jim Suite” (Barcelona 2009)
• Big Acoustic Band with Dick Oatts (Barcelona 2010)
• De Diego Brothers (Terrassa, Vijazz 2010)
• Jaume Vilaseca Quartet (Caracas, Naguanagua, Cali, Barranquijazz, Bogotá, Seul 2010)
• Recording Barcelona Jazz Orquestra with Phil Woods

He has also performed with Jordi Bonell, Sean Levitt, Jimmy Owens, Jordi Rossy, Lluis Vidal, Javier Colina, Carles Benavent, Perico Sambeat, Idrish Muhammad, Jeff Ballard, Iñaki Salvador, Kevin Hayes, Al Foster, etc.