Haisal was born on Aleria and grew up in the mining trade. When the mining union Mols'Desias collapsed, he found himself without work. Eventually he joined the Alerian Courier Guild and started making courier runs.
He survived the initial attack of the Thanolekgolo, but his leg was wounded. Throughout their next travels he and Michael Horrigan had several exchanges of words. He became the sole reason the team was moving slowly and Horrigan didn't think him worthy enough to risk their lives for.
- Halo: Nightfall (First appearance)