Biographical Sketch: Marcel is a Senior Technical Staff Member with the IBM Java Technology Center. As the lead architect for IBM JVM technology targeting System z platforms, Marcel works closely with hardware, compilers, research and middleware teams to develop next-generation compilation and JVM technology for System z. With over 30 patents filed with the USPTO, Marcel is an IBM Master Inventor. Prior to joining IBM in 2001, Marcel received an M. Eng. for research he did on active vision systems at McGill’s Centre for Intelligent Machines.Marcel Mitran, IBM Software Group, IBM Toronto Laboratory, 8200 Warden Avenue, Markham, Ontario Canada L6G 1C7. (mmitran@ca.ibm.com) Mr. Mitran is a Senior Technical Staff Member with IBM’s compiler team, where he has spent ten years developing dynamic and static compilation technology for System z. With over 26 patents filed, Mr. Mitran is an IBM Master Inventor. Prior to joining IBM in 2001, Mr. Mitran received his M. Eng. for research he did on active vision systems at McGill’s Centre for Intelligent Machines.