As a composer, he has had many acclaims and performances in the United States, Latin America and Europe. In July 1994, he was a prize winner in the National Tribune of Electroacoustic Music in Argentina. As a result, his piece Tu casa o este océano was selected for performance at the 1994 International Tribune of Electroacoustic Music in Paris and at the International Tribune of Composers (UNESCO) in Finland. His choral work Canto de Amores Entre Ausencias won the Honorary Mention in the NISSIM ASCAP International Composition Competition in 1993. In 1991, 1992, 1993, 1995 and 1996 he was distinguished with the Standard Awards from the American Society of Composers, Authors and Publishers for the performance of his compositions. This included the performances of Puerto de Cántaros by the Cosmopolitan Symphony Orchestra with Tania Leon conducting, in Town Hall, New York; Two Impromptus for two pianos, in Caracas, Venezuela; El baile del quinto día for solo violin in Spain; and a retrospective concert of his music for soloists and live electronics performed by The Hueco Ensemble in Manhattan. During the most recent years his music has also been performed in India, Malaysia, Turkey, Colombia, Venezuela, Belgium, Germany, and Denmark.

During 1992 and 1993, he served as Associate Artist for the Indiana Repertory Theatre. He was on the designers' team and has written the music for five stage productions: "Yerma", "The Cherry Orchard", "A Thousand Cranes", "Much Ado About Nothing" , and "The Magnificent Ambersons." Highly favorable comments on the impact of his music have appeared in The New York Times , The Milwaukee Journal , Huizmuziek of The Netherlands, and La Voz del Interior of Argentina. His essays and poetry have been published by Pauta magazine in Mexico, McGraw Hill in New York, and Huizmuziek, in The Netherlands.

Dirié holds Master and Doctor in Music Composition degrees from Indiana University, where he studied with John Eaton and Eugene O'Brien. He came to Indiana University from Argentina in 1987 after receiving a Fulbright Fellowship and Monica Mourier Archibald Grant to study composition. Prior to coming to Indiana, he attended the Universidad Nacional de Cordoba, Argentina, studying composition with Atilio Argüello, Oscar Bazán, and César Franchisena. During this time he was also awarded the International Encounters in Contemporary Music Grant to study Contemporary Choral Music Conducting Techniques in Buenos Aires, as well as the Fondo Nacional de las Artes Grant to study Music and Mathematics.

Complementing his activities as a composer and scholar, Dirié has worked extensively as an educator. From 1989 to 1992 he served as an Associate Instructor of composition at Indiana University, working with students privately, as well as leading large seminar classes on composition. He has been a faculty member for the Recorder Academy Summer Workshop at Indiana University, where he conducted workshops on music improvisation and multimedia creations. In addition, he was guest faculty at the 1991 "Amherst Early Music Festival," the 1992 "Orff-Schulwerk National Conference" in Minneapolis, and the 1993 and 1996 "National Conference on Recorder Pedagogy" in Bloomington. In 1982, he was a founding member of "Collegium Centro de Educación e Investigaciones Musicales" in Cordoba, Argentina. At this institution, devoted to music education and research, he taught composition and theory to students of all ages and was the music director of the main choral ensemble for five years. Under his direction, this ensemble presented programs devoted to contemporary music and Latin American colonial music.

Dirié has been very active in bringing Latin American music to a wider audience, not only through his work as composer and educator, but also as Assistant Director of Indiana University's Latin American Music Center, first under the direction of Venezuelan composer Ricardo Lorenz, and currently directed by Venezuelan conductor Dr. Carmen Téllez. He assists orchestras, soloists, ensembles and scholars from around the world in programming and studying Latin American music. He has been instrumental in the recording projects of the Japanese label Marco Polo and Dorian Recordings’ Latin American Masters Series. His research and consultation helped in the programming of performances by the American Composers Orchestra and the Continuum ensemble in New York, the San Antonio Symphony, Aktive Muzik, and the Kammerorchester Schloss Werneck of Germany, among many others. He has coordinated the two Inter American Composition Workshops: Words and Music (1994), and Crossroads of Traditions (1996) at Indiana University. He is co-editor of Scores and Recordings at the Indiana University Latin American Music Center, one of the premiere resources available to performers and scholars of Latin American art music today. Gerardo Dirié is currently Head of Music Studies at the Queensland Conservatorium in Brisbane, Australia.