Alejandro Guardia, Jr. (b. 1983) is a South Florida–based composer, euphonium artist, educator, and producer whose work reflects a lifelong commitment to expressive storytelling, musical accessibility, and the advancement of low-brass repertoire. Equally active as a creator, performer, and teacher, he has built a multifaceted career spanning concert music, the marching arts, chamber performance, and music education.

Guardia’s compositions are recognized for their emotional depth, programmatic narratives, and ability to connect performers with audiences. His catalog encompasses music for soloists, chamber ensembles, brass band, concert band, and wind ensemble, with performances at schools, festivals, and professional conferences throughout the United States and abroad. Recent milestones include premieres of Cryptozoology Suite, Ozymandias, and Graveyard Shift in 2025, followed by performances and premieres of Spearhead, Luna, Praying for Color, and Streets Ahead in 2026. Streets Ahead received its world premiere at the 2026 United States Army Band Tuba-Euphonium Workshop, where Guardia appeared with the Miami Low-Frequency Ensemble.

As a performer, Guardia serves as Principal Euphonium of the Miami Wind Symphony and performs with the Miami Low-Frequency Ensemble and the South Florida New Music Collective. In 2026, he appeared as a recitalist and member of the Professors Ensemble at the Southeast Regional Tuba-Euphonium Conference at the University of Georgia. His professional experience also includes performances with Orchid City Brass, the Pops Orchestra of Bradenton and Sarasota, the Sarasota Jazz Project, the Manasota Trombone Consort, Southern Winds, and numerous chamber and commercial ensembles.

Guardia’s accomplishments include four WGI Winds gold medals earned through his work with championship ensembles and First Place in the North American Brass Band Association’s Solo Euphonium/Baritone Slow Melody Division. His contributions to the marching arts include work with FIU Indoor Winds, Horizon Winds, Stryke Wynds, various drum corps, and high school programs nationwide.

A dedicated educator, Guardia has taught instrumental music in public schools, served as an applied low-brass instructor, maintained a private studio, and supported undergraduate musicians as a graduate teaching assistant at Florida Atlantic University. His students have earned scholarships and admission to leading university music programs throughout Florida.

Guardia holds a Bachelor of Arts in Music Studies with a concentration in Euphonium Performance from the University of South Florida and has pursued graduate study in Commercial Music at Florida Atlantic University. He is an XO Professional Brass Artist and performs on the XO 1270S Euphonium. His professional affiliations include ASCAP, ITEA, NAfME, the Florida Bandmasters Association, AFM Local 655, the Association of Concert Bands, and Phi Mu Alpha Sinfonia.