Yannick Délez is a Swiss pianist-composer. Self-educated musician from a very young age, he undertook professional studies at the Ecole de Jazz of Lausanne in 1990 where he obtained a piano diploma. He developed a personal playing amongst many acoustic jazz bands. Then he joined the band Piano Seven (seven pianos and guests) with which he recorded four albums and plays in many concert halls of Hong Kong, Sao Paulo, Taipei, Singapore, Beirut and Beijing, Shangai, Saigon, among others.

He participated in three creations of the group for which he composes and arranges, one of those being an original performance with seven pianos, percussion, and brass quintet for the Swiss National Exhibition in 2002.