Steve Mastin

Steve Mastin serves as Chief Financial Officer of the ISSA | Altus Collective. He brings deep financial acumen and a practical understanding of the economics of running a successful Building Service Contracting business.

Steve's expertise spans financial strategy, margin optimization, cash flow management, and the financial planning required to scale service-based businesses. Within the Altus community, he helps members think critically about the financial foundations of their companies — ensuring they build businesses that are not just growing, but growing profitably and sustainably.