Dr. Yuepeng Wan is the CTO of GCL Poly Energy Holdings Limited. Prior to that, he worked as Sr. VP and CTO at LDK Solar for more than eight years. Before returning back to China, he worked as the R&D manager at GT Solar Inc. He also worked as research associate at Saint-Gobain Northboro Research Center, as post-doctorate at SUNY Stony Brook. Dr. Wan received his Ph.D in 1997 from Aachen University of Technology (RWTH Aachen) in Germany. He graduated from the University of Science and Technology of China (USTC) in 1986 with Bachelor degree of Science and in 1989 with Master degree of Engineering.