Takeshi Maruo

JMA Holdings, Inc. is a holding private company based in Japan that oversees five companies within the Japan Management Association group. The Japanese company operates as a "management support company group" and provides services across various industries including consulting, IT systems, research, and human resource development.

JMA Systems Corp. provides information technology (IT) services. These services include enterprise application solutions, consulting, network integration, and system contract development. The company was founded on November 1, 1971 and is headquartered in Tokyo, Japan.

JMA Management Center Inc. engages in the business of human resources development and book publishing services. It operates through the following divisions: Human Resources Development, Planner and Publishing. The Human Resources Development division offers correspondence courses, e-learning, group training and assessments. The Planner division engages in the development, production, and sale of calendars, account books, and others. The Publishing division deals with business publications, publication of books and materials related to certifications and qualifications. The company was founded on August 8, 1991 and is headquartered in Tokyo, Japan.