Board Members

Keiji Nagano

Chairman and Executive Director Keiji Nagano

After working at ExxonMobil Corporation and then Bain & Company, Nagano started taking part in New Media as the director of New Media Japan Inc. in 2000. While he was vice-president of the Tokyo office of Bain & Co., he also played a key role as the director of the South Korea office for four years in establishing the office. He led projects with clients in various lines of businesses and gained wide experience in communications, high technology, entertainment, and the healthcare businesses at Bain & Co.Moreover, he supported foreign capital companies to launch businesses in Japan and carried them toward success by understanding them at the operational level on the lines.
He graduated from the Faculty of Technology at the University of Tokyo (chemical engineering) and earned a master’s degree in business economics (MBA) at Columbia University.

Jun Okada

President and Representative Director Jun Okada

He started working as a consultant at the Tokyo office of Bain & Co. in 1998, and was engaged in many projects, including bio investment support for a venture capital company and development support for a pharmaceutical company (as a resident person for a year). In 2005, he started taking charge of the corporate planning of 3-D Matrix and took up the post as director in 2007,and assumed his current position in 2016.
He graduated from the Law Faculty of the University of Tokyo and earned a master’s degree in business economics (MBA) at the INSEAD in France.

Tomoyuki Arai

Director(Finance) Tomoyuki Arai

In 1996, He started working at Pronexus Inc. (specialist of supporting corporate disclosure) and was involved in the tasks of many listed companies and those targeting IPOs. Since 2006, he was engaged in consulting services for IPOs and internal control systems at the CSBA consulting group. In 2007, he became a director of CSBA Investment. Subsequently, he was responsible for achieving the IPO (JASDAQ) for Ascot Corp. in 2008. He started serving in the sections for compliance and corporate planning at 3-D Matrix in 2008 and assumed the post of director in July 2012.

Satoru Kobayashi

Director(Business Development,Japan)Satoru Kobayashi

After working at Fresenius medical care, he started working in the Business development at 3-D Matrix in 2007 and assumed his current position in June 2017.
He graduated Hokkaido University Graduate School of Medicine.

Satoru Kobayashi

Director(North America Business)Toshi Amanuma

Toshi started his career at strategy consulting firm Bain & Company, and continued to gain experience at Sony Corporation, 3-D Matrix and JBIC IG Partners. Recently, he served as managing director of 3-D Matrix EMEA, responsible for commercializing 3-D Matrix’s first medical device product across the EMEA region, and as managing director at JBIC IG Partners, a fund GP subsidiary of Japanese government-owned bank JBIC (Japan Bank of International Cooperation), involved in making fund investments and leading fund formation projects. Toshi rejoined 3-D Matrix in August 2019 to lead the US subsidiary, 3-D Matrix, Inc.
Toshi received his MBA from the Tuck School of Business at Dartmouth College, and his MS from Waseda University.

Ryuhei Mogi

DirectorRyuhei Mogi

He registered as a lawyer in 1994. After working at a corporate law firm in Tokyo, Linklaters (formerly De Bandt, Van Hecke, Lagae & Loesche), and Oh-Ebashi LPC & Partners, he joined the Company in January 2022. He has been a member of the Board of Directors since July 2023.

Marie Buffier

Executive Officer (R&D, Europe)Marie Buffier

She obtained her PhD in Biology, Cancer Research & Endocrinology from the Claude Bernard University of Lyon, France, in 2008. She then worked as a Postdoctoral Research Fellow in USA first at the Medical Center at University of Rochester and then at the New York University Langone Medical Center elucidating the mechanisms of inflammation in the esophageal cancer formation.
She joined 3-D Matrix Europe in 2013 as the Project Manager of External collaboration and set-up multiple collaborations with academics groups and surgeons to expand new applications of 3-D Matrix' peptides technology. She then lead the development of new products in Europe as the Director of Research and Development in 2019 and is holding her current position since 2021.