Dr. Hong Zhang is the Professor and Chairman of Department of Nuclear Medicine at the Second Affiliated Hospital of Zhejiang University School of Medicine in China. He is specialized in Nuclear Medicine and Molecular Imaging. Currently Professor Hong ZHANG is in charge of four facilities of nuclear medicine and molecular field at Zhejiang University, such as Department of Nuclear Medicine of Second Affiliated Hospital of Zhejiang University, Zhejiang University Medical PET Center, Institute of Nuclear Medicine and Molecular Imaging of Zhejiang University, and Key Laboratory of Medical Molecular Imaging of Zhejiang Province. Professor Zhang's research interests are functional diagnostic imaging in oncology and neurology, stem cell & gene imaging and imaging probe development, especially by using PET, MRI and optical imaging techniques. Professor Hong ZHANG has studied and worked in nuclear medicine field for 10 years at St.Bartholomews Hospital of University of London in UK, Gunma University School of Medicine and National Institute of Radiological Sciences in Japan. Professor Hong ZHANG is now serving as the Editorial Board Members of European Journal of Nuclear Medicine and Molecular Imaging, World Journal of Nuclear Medicine, Nuclear Medicine Communications, Annuals of Nuclear Medicine, Nuclear Medicine and Molecular Imaging, and ONCOLOGY.