Dr. G. F. Chen, Ph.D. from the Institute of Metal Research, Chinese Academy of Sciences; Alexander von Humboldt Fellow in the Max Planck-Institute of Metals Research in Germany; research scientist at the Au4 National Physical Laboratory in London; research specialist at Cleveland State University in Cleveland, Ohio, professor at the Northwestern Polytechnic University in Fremont, California, and now an expert in corporate technology at Siemens Ltd., in Beijing. He has more than 20 years of experience in materials research and development, particularly with energy materials.