 In September 2008, the Center for Social Innovation C4 was awarded a Small Business Innovation Research SBIR contract from the National Institute of Mental Health to test innovative ways to disseminate evidence-based practices EBPs in community settings. C4 selected the practice of Critical Time Intervention CTI, a focused, time-limited case management model designed to prevent and end homelessness among people who have experienced mental illness, addiction, and trauma. CTI is widely recognized as an evidence-based practice. During Phase 1 of the project, C4 partnered with CTI experts at the Columbia University Mailman School of Public Health to develop and test a prototype version of an instructor-led online course that brought together live synchronous and multimedia self-paced asynchronous elements to train community-based social workers on the CTI model. The pilot study showed promising results in the areas of knowledge gain, knowledge retention, and confidence to implement the model. Based on these preliminary findings, C4 applied for Phase 2 funding, which was granted in September 2010. 