'<p class=bio><img src=/images/tools/speakers/reenskaug.jpg width=100 align=left><b> Trygve Reenskaug </b> has 40 years experience in developing industrial strength software products combined with software engineering research.  He has extensive presentation experience including keynotes and other talks as well as many conference tutorials.  His firsts include structured programming and data base oriented architectures in the  early sixties; object oriented applications and collaboration modeling in the early seventies; experimental Model-View-Controller, the world\'s first reusable object oriented framework, in 1979; and the premier book on collaboration modeling in 1995.  He was a member of the UML Core Team, and is currently involved with the revision of the Collaboration part of UML. He is also engaged in creating methods and tools for the development of distributed information systems.  <p class=bio> '