Graham O'Hara is an experienced DB2 for z/OS Database Systems Administrator with a robust background in database management. Currently, Graham has been with DXC Technology since April 2017, continuing a successful career that began at Aviva plc in 1997. Prior to DXC Technology, Graham worked at Hewlett Packard Enterprise from 2009 to March 2017, demonstrating extensive expertise in database systems throughout a career spanning over two decades.