Data custodian

From Science Europe Data Glossary

Definition: a data custodian is responsible for the safe custody, transport and storage of data, and for the implementation of business rules.
Explanation: data custodians are responsible for the technical environment and database structure. Common job titles for data custodians are database administrator (DBA), data modeler, and ETL (= Extract, Transform, Load) developer.
Reference: http://en.wikipedia.org/wiki/Data_custodian
See also: data steward