President, General Manager of Design Division: Kohji Mishima

1990 Graduated from the Department of Architecture, Faculty of Engineering, Tokai University
First-class architect, Qualified person for investigation of special buildings
CASBEE Architectural Evaluator

We will accurately grasp the ever-changing needs and respond firmly to the further speeding up of society through digital and IT.
Pursuing the founding spirit of “client first,” we will combine the strengths of architectural designers and engineers to create facilities that suit society and the times.


Chairman: Hiroki Sugiyama

1983 Graduated from Nihon University College of Science and Technology, Department of Architecture
First-class architect, Managed architect

AA & SUN ASSOCIATES INC. is a comprehensive design office with 30 staff members who can perform design work from planning / basic design to implementation design / design supervision for all building applications.
Putting first priority on “only one” work that can meet the needs and expectations of clients, we actively hire and train “architectural lovers” who can feel the satisfaction of architectural design, and excellent design that is evaluated by clients. We will make sincere efforts for the realization of a group of people.


Director, General Manager of Design Section: Katsuhiro Karino

1985 Graduated from the Department of Architecture, Faculty of Engineering, Kogakuin University
First-class electrical construction management engineer

We believe that it is important for facilities in architecture to be able to create comfortable living spaces and working environments for people. Pursuing better functionality and environment by using various diversified equipment methods. Aiming for harmony with the surrounding environment, we will work to realize better facility design.


Director, General Manager of Design Management Department: Makoto Saito

1975 Completed the Graduate School of Engineering, Hosei University
First-class architect
Structural design first-class architect, Engineer construction department

He has been involved in the development and design of large space structures, overseas projects, and high-rise housing, and has designed many office buildings, hotels, apartment buildings, etc.
The main task of structural design is to ensure the soundness of the structural frame against natural disasters such as earthquakes and typhoons, and I think it is important to collaborate with design and equipment design. We will continue to work on this issue mainly in structural design.