Geert Jansen is a seasoned database specialist currently engaged with Opcharge, focusing on the establishment of a new Snowflake data warehouse. Simultaneously, Jansen serves as a consultant for data migration projects at Mammoet, overseeing the transition from SAP ECC to SAP S/4. With extensive experience in database consulting and development since 2007 at Hot ITem, Jansen has honed skills in Oracle APEX, PL/SQL, Microsoft T-SQL, and various integration services. Previous roles include data engineering at Media.Monks, where Jansen developed a Snowflake data warehouse and automated data processes, and multiple positions at VodafoneZiggo and Ziggo, centered on business intelligence and data analysis. Jansen holds a Bachelor of Engineering degree in Industrial Management from De Haagse Hogeschool.