There is increasing interest in, and recognition of, the contribution that professional design services can make to a firm's long-term performance. The term strategic design is used ambiguously by design commentators and in empirical literature, with little relation to established theories of business strategy. This thesis documents a study seeking to align the many views of design’s strategic benefits, and to clarify the practical and conceptual relationships of these benefits. The research began with a model development phase, based on literature of corporate strategy and design management, and on exploratory interviews with design practitioners. The second phase sought to test and develop the model derived, through fieldwork intervie...