Dr. Masaki Kanao obtained his Ph.D. from Kyoto University. He is currently working at the National Institute of Polar Research in Tokyo, Japan. He is chiefly interested in Earth\'s structure and dynamics from geoscience studies. Polar regions, both in the Arctic and Antarctic, have been investigated by using seismological and geophysical approaches. Recently, interdisciplinary studies regarding glacial earthquakes, cryoseismic events in polar regions, particular around Greenland, have been focusing on involving environmental changes associated with global warming and ecosystem in the Arctic. These field-based investigations in polar regions have been contributing to the development of many kinds of ecological research within the global perspective.