Daniel Sabbah is general manger of IBM Rational Software, within the IBM Software Group. Prior to that, he was vice president of software development, strategy, and architecture for the group. InfoWorld Editor at Large <A HREF="http://www.infoworld.com/article/06/02/22/75817_Hnsabbah_1.html">Paul Krill met with Sabbah</A> in San Francisco last week to discuss IBM's application lifecycle management efforts and talk about other subjects such as open source.