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 career, he has 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.

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 classical voice (BM ’28) under the guidance of Ilca López, 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.