Satoshi Murabayashi joined the Sanwa Bank, Ltd. (currently MUFG Bank) in 1981, and worked in its domestic branches and systems divisions. After being appointed as Executive Officer and General Manager of the Systems Division of the Bank of Tokyo Mitsubishi UFJ, Ltd., he was appointed as Senior Managing Director, Chief Executive of Corporate Services and CIO of the bank, President of Mitsubishi UFJ Research & Consulting Co., Ltd. in 2017, Outside Board Director of DeCurret Inc. in 2020, and joined Internet Initiative Japan Inc. in 2021 as Executive Vice President in charge of assisting corporate management. He is now serving as President and CEO of DeCurret Holdings, Inc., and Representative Director, Chairman and President of DeCurret DCP Inc.