Roger Riggs is a Senior Staff Engineer at Sun Microsystems, Inc. with a focus on design and architecture of the Java 2 Platform, Micro Edition for wireless devices. He led Sun's efforts within the Java Community Process to standardize the APIs for wireless devices in the MIDP effort. Previously, he led the effort to develop the JavaPhone technology APIs. Antero Taivalsaari is Engineering Manager of the K Virtual Machine (KVM) team at Sun Microsystems, Inc. He started the Spotless research project at Sun Labs, and wrote the original KVM implementation that became the cornerstone of the Java 2 Platform, Micro Edition. In addition, he led the CLDC standardization effort. Mark VandenBrink is Chief Architect for systems software at Motorola Semiconductor Products Sector, where his team has been working on KVM-based wireless technology for more than three years. He was the leader of the Mobile Information Device Profile standardization effort, and a member of the Connected Limited Device Configuration expert group.