after playing around los angeles he moved to new york city in 2003. he became trumpeter nicholas payton's keyboardist early the following year, and has been a regular member of trumpeter tom harrell's band since 2005. grissett released his first album as a leader in 2006, on the criss cross label, for whom he has continued to record. "promise" and his following album, "encounters", were trio recordings with vicente archer (bass) and kendrick scott (drums). his next album, "form", from 2008, added saxophonist seamus blake, trumpeter ambrose akinmusire, and trombonist steve davis to the trio.