Biographical Sketch: Ruiping Li (ruiping@us.ibm.com) is a Senior Software Engineer in DB2 for z/OS development at IBM's Silicon Valley Lab. She is currently a key designer for DB2 query acceleration support for the IBM DB2 Analytics Accelerator. Over the past decade, Ruiping has designed and implemented several key enhancements in DB2 for z/OS, such as optimistic locking support, timestamp with time zone support, pureXML index exploitation, index on expression, materialized query tables (MQTs), as well as multiple CCSID enhancements.