Upon graduating from the prestigious Conservatoire Superieur de Musique de Geneve, Gregoire made the critical decision to move to New York City to pursue Jazz studies at the New School University. Over time Maret honed his craft, becoming one of the most sought after Harmonica players in the world. He has developed his own unique sound and his versatile style enables him to play effortlessly across different musical genres. He is often compared to legends Toots Thielemans and Stevie Wonder and has been sought out to play with an incredible number of famous musicians including Youssn'Dour, Me' Shell Ndegeocello, Pete Seeger, David Sanborn, George Benson, Cassandra Wilson...

In 2005, Gregoire toured with the Pat Metheny Group, receiving a Grammy for Best Contemporary Jazz Album. He also won the Jazz Journalists Association Player of the Year Award'. After his Grammy win, Maret embarked on a two-year tour with the world- class bassist Marcus Miller and subsequently joined Herbie Hancock's band.

After spending years on the road and consistently meeting with success, Maret was asked by his sponsor, Suzuki Harmonica to assist in creating his own Gregoire Maret G-48 and G-48W Signature Chromatic Harmonica series. He provided critical advice on the materials used as well as other intricate aspects, thus contributing to the production of high quality instruments of which all participants are proud of today.

Maret continues to record and tour with notable musicians and co-leads the trio Gaia, with pianist Federico Gonzales Pena and drummer Gene Lake. Most recently, in May 2010, Gregoire Maret played at The Concert for the Rainforest with
Elton John and Sting.

Furthermore Gregoire has recorded a duo album with Andy Milne entitled Scenarios and he is currently working on his
first solo album.