Dr Chia-Hung Hsieh is an associate professor at the Graduate Institute of Basic Medical Science, Faculty of Medicine, China Medical University in Taichung, Taiwan. He obtained both his MS and PhD degree from the National Yang Ming University, Taipei, Taiwan. Dr. Hsieh has held positions second lieutenant as Medical Officer in the Armed Forces at Taichung General Hospital and as post doctoral fellow at Academia Sinica. His research experience is focused primary on Molecular Imaging and Medicine, Molecular Cell Biology, Nuclear Medicine, Tumor and Radiation Biology, as well as on Radiation Science and Radiological Technology. His research interests include Molecular Imaging, Molecular Therapy, Molecular Mechanism of Cancer Biology, and Radiation Oncology.