As a professional singer, Colaizzi has performed with top-tier professional choral ensembles such as GRAMMY-nomiated Seraphic Fire, Santa Fe Desert Chorale, and has appeared as a performer and soloist with GRAMMY award-winning vocal band Roomful of Teeth. Other recent solo performance credits include The Choral Arts Society of Washington (The Kennedy Center, Washington D.C.), The Messiah Festival of the Arts (Lindsborg, KS), and The Mass of the Americas (Miami, FL). Discography credits for ensemble and solo work include The Apple Tree with Seraphic Fire (2023) and Justin Morell’s All Without Words with the John Daversa Jazz Orchestra (2021).

Colaizzi has trained and performed at highly regarded programs such as the Illinois Bach Academy, the International Baroque Institute at Longy, the Seraphic Fire Professional Choral Institute at Aspen School of Music, and the Amherst Early Music Festival. A proud South Florida native, she has been featured with the Master Chorale of South Florida, the Greater Miami Symphonic Band, and the South Florida Jewish Chorale.

Colaizzi holds degrees in music education, vocal performance, and vocal pedagogy. She recently completed her Doctor of Musical Arts degree at the University of Miami in 2023.
She currently resides in Miami, Florida with her partner and their two cats, Angus and Louise.