Biographical Sketch: Stephen Branch (aka Mr. Catalog) is an IBM Senior Software Engineer at Almaden Research Center whose 32 year career has dealt with all aspects of DFSMS. Stephen specializes in ICF Catalog, IDCAMS, and VSAM. He holds several patents for these components and is the author of the Catalog Search Interface (CSI) as well as many ICF Catalog and VSAM functions. Stephen has a Master of Science Degree from Louisiana State University.