Marshall Allan Gilkes, born September 30, 1978 in Camp Springs, Maryland, is a jazz trombonist and composer who began his musical journey in a family of classical and military band. After training at Interlochen, the University of Northern Colorado, William Paterson University, and the Juilliard School, he was a finalist in the 2003 Thelonious Monk Jazz Competition. His debut album Edenderry was released in 2004, followed by Lost Words (2008) and Sound Stories (2012). He became a member of the WDR Big Band in 2010. In 2015, he released Köln, a project that earned two Grammy nominations. Subsequent releases include Always Forward (2018) and Cyclic Journey (2022).