This study empirically tested a conceptual model of the relationships between managerial coaching behavior and employee attitudes as well as performance-related outcomes in public organizations in two different countries through the use of Structural Equation Modeling (SEM). Analyzing the data collected from United States (N = 534) and South Korean (N = 270) public employees, this study investigated how managerial coaching was mediated by role clarity that contributed to satisfaction with work and job performance. The current comparative study provides initial promise for generalizability of managerial coaching efficacy as well as evidence for potential culture difference in the effect of managerial coaching in the two countries.