Data Governance Roles

To enable data governance programs to be successful it is important to establish the key roles and define the responsibilities within those. 

Chief Data Officer - a corporate officer responsible for enterprise-wide governance and utilization of information as an asset, via data processing, analysis, data mining, information trading and other means. Wikipedia

Data Stewards - this label describes accountability and responsibility for data and processes  to control the use of data assets. There are varying types of Stewards: 

Enterprise data stewards- oversite of the data domain across business functions

Business data stewards - those who are subject matter experts

Technical data stewards - database administrators, BI specialists , data quality administrators 

It is necessary the every data set has a data owner. A person responsible for the decision regarding the data. They normal are a business data steward. 

Then often there is a data governance steering committee to manage the progress and invoke innovation.