Leonard Robles Díaz is a saxophonist with a degree in music from the Universidad del Atlántico. He currently works as director of the band of musicians of the Colombian national army. Leonard is also a music producer and songwriter, and has been nominated for 2 Latin Grammys. He also works as director of brass and winds of the Boutique music store based in the city of Barranquilla, Colombia.

Leonard is an artist with Barkley mouthpieces, and Kims Korea Saxophones.