I am working on Guaranteed Display (GD) algorithm analysis and offline simulation experimentation framework. Prio to this project, I am working on backend team in yahoo mail. I was involved in backend vx project and storage project(MrClean). I also did experiment with storage performance evaluation on different filer product with yahoo storage team. Before joining yahoo, I worked in Hewlett Packard and was involved in HP Chai java virtual machine. I worked on implementing embedded JVM, JIT and related library, and porting to different devices including cellphone, printer and GPS. I also briefly worked on HP Ptolomy system which does DSP Design and Synthesis. My first job is compiler backend engineer in Rockwell Semiconductor System. I am working on DSP compiler for DSP processor.I received my MS degree from University of Alabama at Birmingham in Computer Science, and my BE degree from Tsinghua university in Computer Science.