Consultants Profile


Tetsuya Fujita CEO: Graduated with MBA at Hitotsubashi Business School. Completed Advanced Management Program at INSEAD.
Worked at Softbank, Accenture, and Mason Consultant Group. Established Mason Consulting in 2017.
Provided consulting and auditing services in the areas of business process and technology to clients in the manufacturing and high-tech industries.
Most recently, led IT security audits for a major Japanese manufacturing companies in Japan, Europe, and the US.


G.D Consultant: Graduated from Seoul National University with a degree in Business Administration.
Graduated with MBA at Hitotsubashi Business School.
Engaged in overseas sales, branch office management, and new business development with one of Top 5 trading companies in South Korea.
A bilingual representative who works as a coordinator and researcher for global companies.
Has JLPT N1 level.


A.S Consultant: Labor and Social Security Attorney
Social insurance and labor consultant
Worked as a human resources and labor affairs manager for a major service company.
Engaged in HR and labor affairs consulting, including HR system restructuring.
Has been engaged in consulting on the reform of general affairs operations utilizing technology such as RPA.


K.M Consultant: Graduated from Hitotsubashi University, Faculty of Commerce.
Engaged in management consulting services such as formulation of new business plans, standardization of operations, and acquisition of ISO certification for small and midsize companies.


J.I Consultant: Graduated with MBA at Hitotsubashi Business School.
Worked for a major foreign pharmaceutical company for about 10 years in the field of sales and consulting mainly for major hospitals.
Engaged in security and risk management consulting mainly for a major foreign consulting firm.


H.K Senior Consultant: Graduated from Seikei University, Department of Electrical Engineering.
A certified small and medium enterprise diagnostician and an ISO 27001 auditor.
Worked as a system engineer for a major manufacturer.
Engaged in quality, environment, and security consulting mainly for small to medium-sized companies as an ISO consultant.

N.O Consultant: Graduated from Chuo University, Faculty of Commerce.
A certified small and medium-sized enterprise diagnostician.
Was in-charge of maintaining and expanding sales outlet channels as well as developing new channels and marketing for Sapporo Beer & Soft Drinks.
Was in-charge of planning and drafting various educational seminars, planning and editing lecturers for an educational service company affiliated with a think tank.
Engaged in consulting work mainly for the manufacturing industry.

Y.I Senior Consultant: Worked in the field of sales and consulting for Amada, a major sheet metal processing machinery manufacturer.
Engaged in ISO consulting, ISO certification acquisition, operation support, and client training mainly for the manufacturing industry.

J.K Consultant: Worked as an elementary school teacher.
Worked in a construction company and a construction industry-related organization before engaging in work as an ISO 9001, 14001, 27001, and P-Mark consultant.
Provides support for ISO acquisition and operation, and client training mainly for the construction and manufacturing industries.