Marco Gralike, working for Ordina as a IT Management Consultant in the Netherlands, has experience as a DBA since 1994 (Oracle 6). Marco is also eager and skillful in other fields, like Operating System Administration and Application Servers, mainly in finding working, performing solutions.
Marco has been specializing in Oracle XMLDB, since 2003, focusing on his old love, database administration and performance. He is a unstructured data and Oracle XML DB enthusiast. He is also a dedicated contributor of the Oracle User Group community, helping people with their steep XML DB learning curve. To this purpose, Marco also devoted his personal blog site to XML DB and other Oracle (database) issues.
Marco has presented several times in Holland, international user groups and conferences, among others UKOUG, Hotsos, ODTUG Kaleidoscope, MOTS, Oracle OpenWorld and (Oracle EMEA) masterclasses. He has been awarded the Oracle ACE Director title for his work in the Oracle XML DB area, beta testing database software since 11.1 and has been, since 2009, a member of the OakTable network.