Who we are

XTREME-D was established in February 2015, with headquarters in Shinagawa-City, Tokyo, Japan, and an office in Palo Alto, California.
The company is an award-winning, funded Japanese startup whose mission is to make HPC cloud computing access easy, fast, efficient, and economical for every customer.

Leadership Team

Naoki Shibata
Founder / CEO / High Performance Cloud Architect

Shingo Okuno
Director / Chief Technology Officer / Cloud Architect

Nao Yoshizawa
Director / Legal Counsel / Corporate Strategy

Masataka Matsumoto

Akio Shiojiri
Auditor, CPA / Head of Shiojiri Accounting Office


Dr. David Barkai
Technical Advisor

Hisashi Sekine
Business Strategy Advisor

Dr. Tomo Hiroyasu
Technical Advisor / Faculty of Life and Medical Sciences, Doshisha University

Masahiro Samejima
Intellectual Property Strategy Advisor / Lawyer | Patent Attorney / Uchida & Samejima Law Firm



Head Office:
2-2-25-205 Higashi-Shinagawa Shinagawa-ku,Tokyo, 140-0002, JAPAN
US Branch:
102 University Ave, Ste 1A, Palo Alto, CA 94301, USA

Our Clients

Our Partners