Dan Stober has been working in Oracle databases since 2001 and is an Oracle Certified SQL Expert. He is a regular presenter at local user group conferences, and has made four prior appearances at IOUG Collaborate and two invitations to Oracle OpenWorld. Frequent attendees at local events know Dan as the presenter who throws candy bars to attendees for participation in his sessions! He is a past trustee on the board of the Utah Oracle Users Group and has taught Oracle Workflow and Oracle PLSQL. Dan's published works include his article on Analytic SQL, which appeared in the Winter 2012 issue of IOUG Select magazine, and SQL Tips column that he wrote for the UTOUG quarterly newsletter. Last year, he taught Business Intelligence and Analytics at the University of Utah. Currently, Dan works as a data architect in the Enterprise Data Warehouse at Intermountain Healthcare in Salt Lake City. Dan attended California State University, Fresno, and has a bachelor's degree in accounting.