This report describes the design of the Evaluation of Employment Coaching. It identifies the types of employment coaching interventions that are the focus of this evaluation and how coaching is expected to affect participants’ economic security. Next, it discusses the process for selecting employment coaching interventions to study in the evaluation. It provides details on the design of the impact study, including the process for conducting random assignment, data needs and sources, and the analytic approach to estimating intervention impacts. It also describes the implementation study, including the research questions to be addressed, the data collection strategy, and the analytic approach. The report concludes with an overview of the evaluation and reporting schedule.