Using the Main Financial Providers among which Bloomberg and Reuters I am involed in:-Portfolios Data Management: creation and setting (Sofia Prod/SIMCORP).-Securities Data Management: creation, setting and managing all the data related to Bonds, Shares, Funds, Loans, Derivative Instruments, Commercial Papers and Certicates.-Issuers's Data Management.-Brokers and Counterparties creation and Data Management (Authorizations, SSI insertions).-Corporate Actions Data Management and related Capital Events (processing Corporate Actions such as Dividend Payments, Coupons, Merger and Splits, Right Distributions).-Custodians and Cash Accounts Data Management (updating and registering new c/a and deposits related to new or existing portfolios).-Data Quality Activity (assuring the correctness and quality of existing data through the analysis of termsheet and infos given by providers such as Bloomberg, Thomson Reuters and depositary bank).-Reconciliation activities (in terms of accrued interest and market values of the involved securities) following the migration from the Sofia system to Simcorp.