Walid Rjaibi is Distinguished Engineer and CTO for Data Security at IBM. He drives the technical strategy and architecture for data security across products and cloud services (Guardium Database Activity Monitoring, Guardium Data Encryption, Security Key Lifecycle Manager, Guardium Analyzer). Prior to his current role, he held several technical and management roles within IBM including Research Staff Member at the Zurich Research Lab, Security Architect for DB2 LUW, and Chief Security Architect for Information Management. His Data Security work resulted in 26 granted patents and several publications in leading scientific and academic conferences such as the international conference on Very Large Databases (VLDB), the International Conference on Data Engineering (ICDE), the international conference on security and cryptography (SECRYPT), and the International Conference on Computer Science and Software Engineering (CASCON). Walid is also a frequent speaker at industrial conferences such as IBM Think, IBM Interconnect, Security Congress, and the International DB2 User Group (IDUG).