This month Dr. George Dohrmann, a member of the AASP, gave the keynote address at the annual meeting of the Taiwan Neurosurgical Society. His address included a discussion of the use of intra-operative dynamic ultrasound imaging for localization, characterization and instrumentation of lesions involving the spinal cord and nerve roots. Dr. Dohrmann is a Diplomate of the American Academy of Spine Physicians (DAASP) as well as a Fellow of the American College of Spine Physicians (FACSP). He currently serves as member of the AASP Academy Council.