Born and raised in Marsala, Sicily, Italy, but now residing in Kingston, Jamaica, he is a multi-instrumentalist, being proficient in guitar, bass, drums, and keyboard. His musical career began in the Italian reggae band Reggae National Tickets, from Bergamo city, when he was 15 years old in 1993, in which he was known as Stena.

Alborosie's hits include "Rastafari Anthem", "Kingston Town", and "Call Up Jah". Alborosie recently started his own record label, Forward Recordings. He has given concerts all around the world, including most of Europe and Jamaica.

In 2001 Alborosie decided to try a solo career. He moved to Jamaica to be close to reggae music's roots and Rastafari culture. There, he started working as a sound engineer and producer. He has also worked with artists like Gentleman and Ky-Mani Marley. His first solo album was called Soul Pirate. In the summer of 2009, he released his second album which was called Escape from Babylon. In August 2008 Alborosie played at the Uppsala Reggae Festival.

In May 2016 his album Freedom & Fyah was released by VP records. At the end of 2016, Evolution Music Group released his classic album Soul Pirate in an acoustic version.