Oracle Certified Professional

Jan Leers is an Oracle Certified Professional/Expert, working as an Oracle Consultant for over 5 years. By working at some of Belgiums largest companies during this period, Jan has gained a tremendous insight in Oracle internals, making him an expert when it comes to performance tuning, data integration and advanced SQL & PL/SQL.


iAdvise is a Belgian consultancy company with employees who are all passionate about Oracle. The goal of our organization is to design and implement customized technical IT solutions based on Oracle technologies and tools. We build applications to your needs, securely deploy them on your infrastructure, integrate them with your legacy systems, and turn your data into information through a datawarehouse and business intelligence.