Nobuyoshi Yamasaki founded a Car Dealership at 20, which was the start of his career as an entrepreneur and successfully set up several businesses then after. In his 30s he set up TBM (Times Bridge Management) as he rose to challenge to set up a trillion yen size global company that contributes to the happiness of men even after 100 years, and to build a bridge to the future generations.

He received 'Reconstruction Award' of Japan New Business Awards in 2014, "Special Award" of Job Creation Awards in 2015 and 'Great East Japan Earthquake Reconstruction Award' of Japan Venture Awards in 2016.

Before setting up the ISHIZUE Corp. Minoru Sugimori was experienced a wide and deep career by working at an advertising agency, construction company and real estate company for many years. Offering the best solutions to his clients, ranging from real estate matters to market research, product planning, concept making, designing, advertising, opening and marketing strategies. Headquarter in Kyoto and holds branches in Tokyo and Osaka.
He ranked 11 of the 'TOP 150 Vigorous Local Company Ranking' in DIAMOND, a famous weekly business magazine. He elected from about 3 million local companies, excluding companies from Tokyo, Osaka, Chiba, Saitama and Kanagawa. (DIAMOND No.104 (2015.12.26/2016.01.02 new year's big issue).

Taichi Yamaguchi joined Fuji Xerox Co., Ltd. and was responsible for new businesses in the Production Service Sales Division. Then after joined PricewaterhouseCoopers co., Ltd., carrying out due diligence, planning and executing business recovery plans, supporting negotiation with financial institutions, forming and executing growth strategies in the Business Recovery Services Group.

After moving to the Deal Advisory Group, he was project manager for various cross-border M&A transactions and PMI( Post Merger Integration) projects.

He joined TBM Co., Ltd in September 2015. Currently engaged in drawing up business strategies, business plans and capital policy and project managing the new plant in the Corporate Planning Division.

Takayuki Sasaki joined Dentsu Inc. and worked in the Creating the Future Group,. striving to breakthrough and reviving management's and company's business matters with 'ideas'. He worked as a Chief Planner to develop new business and new products, to plan and produce new stores with marketing as a starting point. Also a member of Dentsu Communication Institute Inc. B Team.

He won MVP Award and semi-MVP Award at the Dentsu Inc. Solution Division's Best Practices Forum. He joined TBM Co., Ltd in April 2016. Senior Researcher of Keio Research Institute at SFC.

Seigo Nakashima joined Dai-Ichi Kangyo Bank (currently Mizuho Bank, Ltd.) in the year of 1999, and joined Daiwa Securities SMBC Co. Ltd. (currently Daiwa Securities Co. Ltd.) in 2006. Since 2014, he has worked in corporate sales at SMBC Nikko Securities Inc. and other firms. As a lead managing brokerage firm, he has achieved a great deal of success in the field of IPO support and has won the President's Award as an individual at stock company. He joined TBM in 2022 and was appointed as Executive Officer and Capital＆Business alliance Head.

After Momo Nakatani joining Merrill Lynch in April 2001, he engaged in Sales activity for Listed Corporates in Business Corporate division. In January 2009, he joined Lehman Brothers Holdings Inc. as a member of Sales division for Listed Corporates. In January 2009, he joined RECOF, engaged in activities related to M&A to business Corporations in Coverage Group. In July 2010, he joined UBS Securities Japan Co., Ltd. engaged in mainly activities on fund raising for listed companies in Investing Banking division. In November 2012, he started Corporate Sales in Wealth Management Division Coverage Group at UBS Securities Japan Co., Ltd. In February 2014, worked on Solution Development related to M&A, Fund raising, alternative investment and business matching in Wealth Management Division. In February 2017, he joined TBM Co., Ltd.