Biographical Sketch: Nancy Stein has over 37 years of Mainframe and IMS experience, as an IBM customer, IBM IMS Lab Advocate, IBM System z IT Architect, and Consulting IT Specialist on the IBM Advanced Technical Skills team. She focuses on exploitation of Parallel Sysplex and IMSplex to help customers achieve high availabilty, and IMS Application modernization and Web Service enablement. Nancy helps customers uncover the business value of their IMS systems through participation in System z Infrastructure Architecture Workshops, IMS Health Checks, and High Avaialabilty Center of Competency design studies. She has presented at the IBM Information on Demand Conference, SHARE, and IMS Regional User Group meetings.