Born in 1971. Joined The Industrial Bank of Japan, Limited (currently Mizuho Bank, Ltd.). In 2001, he was appointed President and Representative Director of Bridal Net, Inc. In 2006, he founded IBJ, Inc. and assumed the role of President and Representative Director. In 2026, he was appointed Representative Director and Chairman of IBJ, Inc.

Born in 1973. After joining a major financial company, he engaged in sales planning, sales, and finance operations. Joined Bridal Net, Inc. in 2002. Following the merger with IBJ, he was appointed as a Director of IBJ, Inc. in 2009. He subsequently served as Managing Director and Executive Vice President before being appointed President and Representative Director of IBJ, Inc. in 2026.

Born in 1981. Joined Cerebrix Corporation. After serving as Representative Director at two other companies, he was appointed Executive Vice President of Style Edge, Inc. in 2012. Appointed as a Director of IBJ, Inc. in 2017. He subsequently served as Representative Director of Sunmarie Co., Ltd. in 2019, Representative Director of Selfit Co., Ltd. in 2023, and Executive Vice President of O-net, Inc. in 2024. In 2026, he was appointed Managing Director of IBJ, Inc.

Born in 1940. Umezu joined the Industrial Bank of Japan (currently Mizuho Financial Group, Inc.) and served as Managing Director. After serving as President and CEO of Industrial Bank NW Asset Management Co., Ltd. (currently Asset Management One, Co., Ltd.) and as President and CEO of NU Intellectual Property Financial Services Co., Ltd. (founding member), in 2022 he was appointed Outside Director of IBJ, Inc.

Born in 1975, joined The Industrial Bank of Japan, Limited (currently Mizuho Bank, Limited) in 1999.In 2003, she joined The Japan Research Institute, Limited, where she has been engaged in research and consulting for government agencies, local governments, and corporations, and is currently an Expert at the Center for Emergent Strategies.She specializes in corporate research in the ESG field, SDGs and corporate management, climate change and finance, and child participation theory.In 2024, She became an outside director of IBJ, Inc.

Born in 1989, she entered the Faculty of Economics and Business Administration at Fukushima National University in 2008, where she studied statistics and marketing.After graduating from college, she worked for a company before going independent in 2017.Started data analysis and statistical analysis business.In 2020, Delta Create, LLC was opened.She runs the YouTube channel “Mystery Statistics|Satomai”.In 2024, She became an outside director of IBJ, Inc.

Born in 1972. Futatsuya joined Japan Air Self-Defense Force in 1991. From 2002, she worked as a wedding planner. After joining IBJ, Inc. in 2010, she oversaw multiple business departments, and in 2017, was appointed Director of IBJ Life Design Support Inc. In 2020, she was appointed Director of IBJ, Inc., and in 2023, Auditor of IBJ, Inc.

Born in 1958, he joined the Ministry of Home Affairs (now the Ministry of Internal Affairs and Communications) in 1980. He has held important positions at the Ministry of Land, Infrastructure, Transport and Tourism and the Council of Local Authorities for International Relations. He later served as Vice Governor of Shiga Prefecture, Director of the Local Autonomy and Taxation Bureau of the Ministry of Internal Affairs and Communications, and Representative Director and Senior Managing Director of Metropolitan New Urban Railway Co,In 2025, he was appointed as a corporate auditor of IBJ Co.

Born in 1965. He joined the Ministry of Transport (currently the Ministry of Land, Infrastructure, Transport and Tourism) in 1988. He has held several prominent government positions, including Deputy Director-General of the Tourism Strategy Execution Promotion Office at the Cabinet Secretariat, Director-General of the Road Transport Bureau at the Ministry of Land, Infrastructure, Transport and Tourism, Vice Commissioner of the Japan Tourism Agency, Councillor at the Cabinet Secretariat (Office of the Assistant Chief Cabinet Secretary), and Commissioner of the Japan Tourism Agency. In 2026, he assumed his current position as an Audit & Supervisory Board Member of IBJ, Inc.