An extraction, transformation and loading (ETL) designer module of a computerized financial system that is used to configure an ETL package for loading data elements from a financial table of a financial database into a reporter table in accordance with a predefined format. The ETL designer module includes a transformation class that defines transformation objects. Each transformation object is responsible for a transformation of the source data elements of a source column of the financial table into a reporter format of an associated destination column of the reporter table.