At the age of five, Joel A. Rodríguez Castro began his artistic training with the San Juan Children's Choir, an institution where he remained for twelve years perfecting his musical skills, and graduated. His versatility as a multi-instrumentalist allowed him to participate in numerous high-caliber productions, including Giacomo Puccini's La Bohème, Krzysztof Penderecki's Credo, Carl Orff's Carmina Burana, and the inaugural Multipiano Festival at the Puerto Rico Conservatory of Music, among many others.

Throughout his emerging career, he had the privilege of collaborating with renowned conductors and musical artists such as Krzysztof Penderecki, Maximiano Valdés, Rafael Enrique Irizarry, William Rivera, Roselín Pabón, Jo-Anne Herrero, Noël Wan, Benjamin Bernheim, Roberto Alagna, Joel Prieto, Ángel Vargas, Jehú Otero, and Rafael Dávila, among others. He has also collaborated with prestigious musical ensembles, including the Radcliffe Society Choir at Harvard University, the San Juan Children's Choir, the Illumino Chamber Choir, the Manatee School for the Arts Chamber Choir, the Puerto Rican National Choir, the Puerto Rican Lyric Choir, the Union Church Choir, as well as the Puerto Rican Conservatory of Music Symphony Orchestra, the Puerto Rican Symphony Orchestra, and the Puerto Rican Philharmonic Orchestra.

A 2x award-winning composer, he participated in the inaugural Composition Competition at the Conservatory of Music of Puerto Rico from the 2024-2025 season, being awarded the 2nd place with his orchestral work Symphony No. 1, 2nd movement, titled “Adagio”, which was played by the Symphony Orchestra of this institution, and later premiered by the same orchestra. At the 2025-2026 season, he also participated in the III Composition Competition from the same institution and was awarded 1st place for his piece Tryptich for Two Pianos for the Duo Gil-Figueroa ensemble, which will have its premiere throughout the 2026-2027 season.

Currently, he is a student-professional pursuing a Bachelor of Music degree in Composition (BM ’28) under the tutelage of Alfonso Fuentes Colón, with an emphasis in Vocal Performance (BM ’28) under the guidance of Ilca López and council from Jehú Otero, and conducting council from Roselín Pabón and William Rivera.
His artistic work encompasses choral and orchestral conducting, composition, arrangement, and orchestration, in addition to performing as a soloist and choral singer. His musical practice is defined by a comprehensive and humanistic vision, committed to artistic excellence and critical thinking.