Experienced clinical data manager proficient in contributing to the development and testing of data management systems. Skilled in editing data validation checks (diagnostics) and crafting specialized listings/procedures essential for data review and discrepancy management. Capable of generating dummy data for testing data entry screens and edit checks, along with validating data entry screens and edit check programs.Generate and resolve data queries. Update, correct, and review data in the Review clinical trial data in accordance with [Global] Data Management Plans and applicable standardized data management processes (SOP's, Work Instructions, etc.) to identify erroneous, missing,incomplete, or implausible data.Run ancillary programs (e.g., diagnostics, special listings, reconciliation discrepancy listings) used to support the review of clinical trial data.Generate, resolve and track queries to address problematic data identified during data review activitiesand apply proper modification / correction to the database.Apply quality control procedures and checks to ensure data quality standards (client and Covance) are achieved.Interact with the dictionary coding and maintenance group to ensure appropriate process set-up and application.Assist with the reconciliation of central laboratory and/or third-party vendor data (eCRF, specialty laboratory, etc.).Assist with the aggregate review of clinical data by patient, site, and/or project to identify data trends (patient safety, compliance, etc.), and/or data inconsistencies that require further investigation.Assist in the development and testing of data management system edit / data validation checks (diagnostics) and special listings / procedures used as tools for the data review and discrepancy management activities.