We conducted a survey with 744 highly skilled full-time employees of South Korean We conducted a survey with 744 highly skilled full-time employees of South Korean organizations to examine the associations among 2 organizational factors, namely organizations to examine the associations among 2 organizational factors, namely centralization and communication opportunities, and 2 distinct forms of employee silence, centralization and communication opportunities, and 2 distinct forms of employee silence, namely acquiescent and prosocial silence. Confirmatory factor analysis and structural namely acquiescent and prosocial silence. Confirmatory factor analysis and structural equation modeling were performed to test our hypothesized model. The findings revealed that equation modeling were performed to test our hypothesized model. The findings revealed that centralization positively influenced employees' acquiescent silence and that communication centralization positively influenced employees' acquiescent silence and that communication opportunities positively impacted their prosocial silence. Theoretical and practical opportunities positively impacted their prosocial silence. Theoretical and practical implications, limitations, and future research directions are discussed. implications, limitations, and future research directions are discussed.