Feng Ruo. Mr. Feng Ruo obtained his Ph.D. from St.Petersburg State University in 1961. He has joined Nanjing University in 1963. Dr. Feng is also the honorary professor of several universities and the PhD advisor of Yunnan University and Coventry University, UK. He is the member/director of the Acoustical Society of China, China Association of Ultrasound and Engineering, etc. Dr. Feng is the International Editorial Board Member of the Ultrasonic Sonochemistry Journal and the editorial member of several prestigious Chinese journals, including the Applied Acoustics,the Chinese Journal of Ultrasound in Medicine, the Chinese Journal of Medical Imaging Technology and the Journal of Ultrasound in Clinical Medicine.