This document discusses Quartesian, a clinical research organization, and its functional service provider model. It describes Quartesian's history and locations. It then explains the benefits of the multi-tier partnership model, which includes executive oversight, operational management, and project delivery. Management structures and tools are defined to effectively develop the partnership. The relationship is described as flexible and scalable. Moving from a vendor to partner relationship requires changes in thinking and processes. Benefits of the functional service provider model include reduced costs, improved quality, and increased consistency through use of dedicated staff and resources.