She is a graduate of NYU Tisch where she received her BFA in Drama from the New Studio on Broadway for Musical Theatre.

A classically trained singer who sings across all musical genres and styles, Gab has performed regionally, as well as in NYC in pre-Broadway and Off-Broadway workshops, labs, & staged readings of new musical theatre (Almost Famous, The Visitor, and more...) She recently made her solo show debut headlining at 54 Below with Gabrielle Mariella: Broadway Leading Ladies Sing in April of 2023. Gab is establishing herself as a unique artistic voice in the theater community and has gained recognition for her vocal impressions on social media, with her viral videos garnering more than 12 Million views. (TikTok , IG). She is also a successful voice actor, lending her voice to various commercial projects (Walmart, TD Bank, Trident Gum and more.)

Behind the camera, Gab is a Sony Alpha Female+ Grant Winning cinematographer, and editor winning a grant from Sony in 2021 with which she produced, filmed, and directed ENOUGH, a documentary short film about female Broadway creatives. She has served as the Director of Photography and editor on various short films, interviews, reality series, music videos, and brand films.

As an artist, Gab believes the stories we tell on stage and screen matter and have the power to create positive change.

When she’s not performing, on set, or behind her editing desk, Gab can be found on the hunt for the best Caesar salad, coding websites (a new hobby…), or geeking out on sci-fi films typically involving time travel (don’t ask.) She is a second generation American who lives to make her ancestors proud.

Gabrielle is a member of SAG-AFTRA, AEA and PANO filmmakers.