- Tatsuoki NAKAJIMA / President, Lighting Consultant
- 1969 Bachelor’s degree of optical engineer in Tokai University
- 1969 Yamagiwa Lighting Co.
- 1998 Nakajima Tatsuoki Lighting Design Laboratory Inc.
- Member : The Illuminating Engineering Institute of Japan (IEI-J), Illuminating Engineering Society of North America (IESNA),Japan Interior Designers' Association(JIDA)
- Instructor : Bunka woman's Univ., Beijing Institute of Technology
- Yoshiko FUKUDA / Director, Lighting Designer
- 1988 Bachelor’s degree, 1990 master’s degree of Engineering Department of Architecture and Building Science in Yokohama National University
- 1998 Nakajima Tatsuoki Lighting Design Laboratory Inc.
- 2009 Doctor’s degree of Div. of Civil Engineering and Architecture in Yokohama National University Graduate school of Engineering
- Member : The Illuminating Engineering Institute of Japan (IEI-J). Architectrual Institute of Japan(AIJ).
- License : First-class architect , Lighting Professional(IEI-J)
- Atsushi OTA
- Emiko MATSUO / Assistant