Roger was founder and director of WorkSpace International Ltd. (1995 to 1999). The company was later renamed as 4thresource Ltd. (1999 to 2007).
WorkSpace International Ltd. was formed in 1995 specialising in applied information and knowledge management.
It was renamed in 1999 to show a concentration on an information-based approach to enterprise architecture. Information is often seen as the fourth resource – hence the name of the company.