Following his term with Arthur Anderson, Mr. Roy began purchasing apartment buildings in high-end neighborhoods such as Westmount, Canada. In 1983, he founded Carex Services, which purchased, developed, and managed multiple senior housing projects in sought-after neighborhoods. At its peak, Carex had more than 1,000 employees and had developed 1,762 independent living, assisted living, memory care, and nursing care units. It was an example of a career marked by anticipating trends before most. In this case, high-end senior living.