Current Personnel

Yifeng Cui, Lab director CV
Dr. Yifeng Cui has experience in regional scale high performance earthquake simulations, and an adjunct professor at San Diego State University. His expertise includes parallelization, optimization, and performance evaluation on both massively parallel and vector machines. He also has experience in distributed modeling, multimedia design, and visualization. He holds a Ph.D. in hydrology, a M.S. in hydroclimatology, and a B.S. in meteorology.

	Dong Ju Choi, Computational Scientist
	Dr. Dong Ju Choi is a senior computational scientist with diverse exerptise in high performance computing software, programming, optimization, and visualization. He also has experience of database and web programming. His academic research is in the application of finite elements, acoustics, vibration, and control theory to nonlinear stress/strain analysis. He holds a PhD in mechanical engineering. Dr. Choi holds an Assistant Professor in the Department of Radiation Oncology at UCSD.

Heming Xu, Computational Scientist
Dr. Heming Xu is a senior computational scientist with more than ten years experience in large scale numerical simulations and seismic data analyses. Before joining SDSC, he worked with Science Applications International Corporation (SAIC) and Lawrence Livermore National Laboratory (LLNL). His interests include wave propagation in the Earth system (solid earth, water and air) due to natural sources and controlled explosions in linear and nonlinear regimes.

	Amit Chourasia, Visualization Scientist Personal Webpage
	Amit Chourasia is lead of Visualization Services at SDSC. His work centers around the development and application of software tools that allow simulation of massively large data sets produced by scientific and engineering applications. His academic research is in animation, computer graphics, and visualization. He holds a Baccalaureate degree in architecture and a Master's degree in Computers Graphics Technology.

Sheau-Yen Chen, Data Analyst
Sheau-Yen Chen is a Data Analyst, with more than ten year experience in Data Grid System adminstration for Data Intensive Cyber Environment (DICE) Center's iRODS. Currently she supported the DataNet (DFC) and CSDI (California Spatial Data Infrastructure) projects which used iRODS for data management. She has valuable experience as SRB system administrator since year 2001. Sheau-Yen has an M.S. degree in biostatistics from Virginia Commonwealth University and another M.S. degree in Mathematics from Virginia State University.

	Jun Zhou, Graduate Student Researcher
	Jun is currently a PhD student in the Computer Engineering Department at UCSD. He conducts research in high performance computing, GPU computing, grid computing, and scientific workflow. He holds a B.S. and M.S. in Electronic Engineering from Tsinghua University.

Efecan Poyraz, Graduate Student Researcher Personal Webpage
Efecan Poyraz is currently a PhD student in the Department of Electrical and Computer Engineering, UCSD. He got his B.S. degree from Bilkent University, Turkey and his M.S. degree from UCSD. His research is focused on efficient and robust parallel algorithms for distributed information dissemination and processing.

	Lucy Chen, Student Assistant
	Lucy Chen is a Torrey Pines High senior student. Lucy works on a project called "Visualization of Earthquake Simulations", as part of REHS - Research Experience for High School Students."