Originally from Bermuda, he began his dance career at the age of sixteen. He trained at The Conservatory of Dance & Music in Toronto, Canada, and furthered his studies as a scholarship student at The Ailey School in New York, where he explored Horton and Graham techniques. He also trained at the Rambert School of Ballet and Contemporary Dance in London.

Since graduating from Rambert, he has danced with Fabula Collective and worked with choreographers such as Mthuthuzeli November, Cree Barnett Williams and Christopher Marney, among others. Jasiah joined Company Wayne McGregor in 2023.