Two aspects of the relation between top managers and in-house management science units are considered in this paper. First, the impact of top management sponsorship and support on the progress and success of management science (MS) activities is considered. Secondly, the impact that an MS activity has had on the thinking and activities of top managers is discussed. The question of the role of the “professional” in an organization and the implications for client-professional perceptions of trust as these are influenced by the top manager are explored. Top management awareness and utilization of the management sciences are also reviewed.