The authors thank the members of Thresholds who participated in the study and acknowledge the more than 50 administrators, research staff, and employment staff at Thresholds in Chicago who diligently supported various aspects of the study implementation. They also thank the research staff at the University of Michigan Level Up: Employment Skills Simulation Lab (http://leveluplab.org/) for data collection, processing, and management and the research staff at the Mental Health Services and Policy Program, Department of Psychiatry and Behavioral Sciences, Northwestern University, for institutional review board regulatory support.