Law Offices of Sun is highly regarded for extraordinary success in representing international scholars, postdoctoral researchers, Ph.D. students, scientists, engineers, business managers, entertainers and many others to apply U.S. Working visa (H1B,H3,O1,L1A,L1B,etc.) and U.S. Permanent Residency (Green Card in EB1A, Eb1B, EB1C, EB2 EB2NIW,) for 18 years. We have successfully represented clients at Harvard University, Yale University, MIT, University of Florida, University of Hawaii, New York University, Stanford University, University of California, California Institute of Technology, the National Institutes of Health, the DoE Lawrence Berkeley National Laboratory, The Pacific Northwest National Laboratory, RAND Corporation, NASA, clients from China, Korea, England, Russian, Spain, and many more.