Expert in architectural engineering, seismic engineering, structural design, seismic isolation, and vibration control structures. With a PhD from Tokyo Institute of Technology, he held various roles there over his distinguished career, including Professor, Head of the Structural Engineering Research Center, and President of the Architectural Institute of Japan. Professor Wata has made significant contributions to the field through his research, teaching, and leadership in numerous professional organizations and advisory roles. He is an honorary member of prestigious institutions like the Architectural Institute of Japan and the Japan Association for Earthquake Engineering.