As a devoted music educator, he also appeared as guest conductor for the Colorado, Illinois, Indiana, Oklahoma, and Texas All-State High School Honor Orchestras.
Prior to his post at Colorado, he served as the Director of Orchestral Activities and as Chairman of the Department of Instrumental Performance at the University of Miami.
Maestro Endo twice received prizes from the Dimitri Mitropoulos International Competition for Conductors at Carnegie Hall and ASCAP for adventuresome programming with the Louisville Orchestra.
[5] The awards launched his national prominence as they drew the attention of Leonard Bernstein, who recommended him to the conductor position at the American Ballet Theatre (ABT).
He enjoyed an illustrious career with the American Ballet Theatre, remaining for ten years,[3] during which time he worked with many major dancers from around the world, most notably Margot Fonteyn and Rudolf Nureyev.