He also serves as a Professorial Lecturer at the Department of Communication, De la Salle University and sits as Chairman of the AB Film Program at the Design and Arts Campus at the
De La Salle–College of Saint Benilde. He is also the Head of Competition and Monitoring Committee of the
Cinemalaya Independent Film Festival. He also sits as the Head of the Student Short Film Competition of the MetroManila Film Festival while sitting as part of its Education Panel. there teaching under the Communication Department and holding classes for the Communication Arts majors of the university. His first writing for a film was
Oro, Plata, Mata in 1982, which is being streamed on
Netflix. He wrote the libretto of the musical
Katy, based on the life and times of Philippine Jazz Queen, Katy de la Cruz. He penned the original song, "Minsan ang Minahal ay Ako" for the musical with music composed by National Artist, Ryan Cayabyab. He also wrote the hit song, "Iisa Pa Lamang" sung by Joey Albert with music by Danny Tan. He also wrote the lyrics of the Christmas song, "Kumukutikutitap" with music also by Cayabyab. On April 11, 2024, Reyes took his oath as the new chairman of the
Film Development Council of the Philippines (FDCP), succeeding
Tirso Cruz III who resigned in early March. ==Personal life==