Gabriel Castellar is a NYC-based guitarist, producer, and educator whose career spans performance, production, and mentorship. Born and raised in Flushing, Queens, he began his musical journey in church before expanding into bands, studios, and classrooms. He is the founder of the bands LTrain and No Grudges. Gabriel has worked with Electro-Harmonix, Outernational (feat. Chad Smith), Renaissance Youth Center, and Guitar Center Lessons, and performed at venues including Irving Plaza, Gramercy Theatre, Webster Hall, and The Paramount (LA, Hudson Valley) . He teaches multi-instrument instruction, songwriting, and audio production, known for his patient, artist-first approach and commitment to bringing out every performer’s best—both in NYC and remotely.