Christina Coster, Manager of Client Relations Christina Coster joined SAC in 2013 as the Manager of Client Relations. She works closely with SAC’s Portfolio Management and Executive teams to ensure a high level of personalized attention to all of SAC’s clients and associates. Additionally, she assists SAC’s Business Development, Marketing, and Administrative teams. Prior to joining SAC, Christina spent 11 years in the healthcare industry at NYU Langone Medical Center, specializing in patient relations, compliance, and operations management within a non-profit setting. In addition to her healthcare expertise, Christina brings many years of event and conference coordination and management, and in-depth knowledge of social media marketing. Christina earned her dual B.A. from the Loyola University Maryland in Psychology and Spanish Language and Literature and her M.A. in Clinical Psychology from Teachers College at Columbia University.