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