About Our School

Leadership Team

At CTIS, We build futures!

Leadership Team

Takahiro Sato


While attending university, Mr. Sato commercialized facilities for the disabled and nursing homes for the elderly. Later as a new graduate, he was appointed as a section manager of the Nagano prefectural office and then, at the age of 24, became a director of the prefectural office. After departing the prefectural office, he founded LITALICO Inc. (a publicly listed company on the First Section of the Tokyo Stock Exchange), which provides employment support and assistance for people who have difficulty finding employment, becoming the elected representative director for the company. Subsequently, he retired from LITALICO in order to run for the mayor of Sendai. Currently, Mr. Sato is a serial entrepreneur with his company SEKAISHA and a medical corporation group, as well as the founder of the CTIS corporation. As an angel investor, Mr. Sato supports about 40 start-up companies in the entertainment business such as movies and is participating in the establishment of companies researching and developing pharmaceuticals. He is also supporting the education of children, our future leaders of tomorrow, by establishing an incorporated foundation.

Yuta Igarashi


Graduated from Aoyama Gakuin University with a degree in International Political Economy. After graduation, he joined Mizuho Corporate Bank, where he was consistently in charge of major corporate clients. When he was transferred to Mitsui & Co., he was in charge of the restructuring projects of affiliated companies and overseas investment projects.
After that, he joined PwC Advisory and worked in the turnaround support division and then as a founding director of a private equity fund, and later joined SEKAISHA Inc. a company that develops new education services as a founding member, where he is currently the president. In addition to serving on the Board of Directors of CTIS, he participates as a hands-on board member in several companies including medical service providers in Japan and abroad.

Director of Keio Research Institute at SFC, Keio University
Visiting Professor of the School of International Education Institute, Wenzhou Medical University

Gustav Helman

Head of School / MYP Cordinator

Gustav Helman has been teaching in international schools for the past 31 years, in Zambia, USA, Argentina, Indonesia, China, Malaysia, Brazil, and Japan. He comes to CTIS with a vast experience in the four IB Programmes, as a teacher, department coordinator, head of faculty, DP and MYP Coordinator, and Principal. He is also a DP Examiner, DP Workshop Leader, IB Consultant, and Online Facilitator for MYP and PYP. He has also worked towards the IBDP authorization and review processes, as well as WASC, CIS, and NEASC accreditation. He is a “Third Culture Kid” (he is of mixed parentage, Polish and German), and grew up moving countries and continents due to his dad’s job. After obtaining a degree in education, he pursued post-graduate studies in Curriculum Development and Comparative Linguistics at Yokohama National University. He is currently finishing his MBA at the University of Cumbria. During his free time, he enjoys traveling, cooking, reading, and trying “all-things-technology”.

Neil Bluett

PYP Coordinator/Head of Section

Graduated from the University of Hull with a B.A. in Drama. Studied contemporary British theater, journalism, literature, government, and politics.

After graduation, he spent 3 years teaching English in the UK and 6 years in Japan, followed by 4 years in an IB school (Kindergarten), beginning as a PYP teacher and eventually as a PYP coordinator, working through the process to becoming an IB-accredited school.

By observing and analyzing individual students, he is able to use different teaching and speaking styles to suit each student. He is skilled at building rapport, which has contributed greatly to providing an educational environment that develops the interests and strengths of each student at CTIS.

He is a sports enthusiast and used to play rugby himself at a very high level. He also continues to be involved in theater and contemporary playwrights, which he still loves.

Akiko Yamada

CTIS Inc. Head of School Business Unit

Born in 1973. After graduating from an international school, Ms. Yamada returned to Japan. After graduating from a university, she started working at Nippon Television Music Corporation and handled copyright management, master recording production, and merchandising rights management, while launching a new in-house business in her second year. Since then, she has built her experience and skills through taking roles as project leaders and management in various industries, including IT, TV, radio, food and beverage, and education. She was also involved in the corporate turnaround of a company acquired through M&A by a listed company, and in the launch of an on-site childcare facility and a character production company, where she served as a director and representative director.

Later, she became in charge of creating PBL teaching materials, curriculum organization, and coaching for KADOKAWA DWANGO educational institute’s commuter school course. Since then she has been committed to supporting activities and learning to help students develop the ability to succeed in society and today as well at CTIS.

International School of Dusseldorf [Germany]
American Community School in Hillingdon [UK]
Rikkyo University Faculty of Literature B.A.
TOEIC®︎ Listening:495/495, Reading:455/495, Speaking:190/200

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