Haruo Sato is Professor Emeritus at Tohoku University, Japan. He is an expert in observation and theoretical physics in seismology and solid Earth geophysics. He was awarded with the 2018 Beno-Gutenberg Medal by the European Geosciences Union (EGU) for outstanding contributions to seismology and the development of new insights into stochastic properties of Earth structure through theoretical and observational studies of scattered seismic waves. He was also made a Japan Geoscience Union fellow in 2018 and was elected to be an honorary member of the Seismological Society of Japan in 2019.