Ömer Gülmezer is a highly skilled professional with expertise in Data Warehouse (DWH), ETL Development, Big Data, Data Architecture, Data Mapping, PostgreSQL, Business Intelligence and Reporting Tools, Data Visualization, RDbMS, Migration, Business Analysis, Technical Analysis, Business Process Management, Data Mart Modelling & Design, Test and Maintenance.

He holds a Master's degree in Computer and Information Sciences, a Bachelor's degree in Mathematics, and a Bachelor's degree in Sociology from Istanbul University and Anadolu University.

Currently, he serves as a Data Architect at R4, with previous roles including Sr. DWH & BI Engineer at R4, DWH Developer at RDC Partner, DWH & BI Developer at Quark Partners, Jr. DWH & BI Developer at G Teknoloji, and System Analyst at Istanbul University.