---

About Sia

Siesta-International-Associates Architect Office

Architect & Interior design, event design, furniture design, design lecturer

Siesta-International-Associates Architect Office is an Architect & Interior Design Firm that specializes in planning design events,
creating furniture designs and sharing design knowledge through seminars and lectures in specialized schools and conference settings.

Koji Sakai

Profilei

Design Director

Architect / Interior designer / Special researcher / ex Professor

Board Member / Japan Interior Architects / Designer’s Association (JID)

Trustees / Japan Society for Interior Studies

Member / International Furnishing and Design Association JAPAN

Special researcher / Science and Engineering Research Institute,Kokushikan University

Part-time lecturer / KOBE Design University & Otemae Junior College(Apr.2019～)

Professor / Kyushu Women’s University(～Mar.2022)

Guest professor / Daiichi Institute of Technology(～Mar.2017)

CEO / Siesta-International-Associates

Founder / TuTuMu Exhibition Milano

Founder / Design Conference

Koji Sakai and Siesta-International-Associate(SIA) is A design consulting firm active under the slogan “SIA × DESIGN = HAPPINESS”.It all began with travels to Milan 30 years ago.

and then the opening of a number of megastores as project manager for the Italian S company Far East regional project with Italian architectural design firm,(Studio63 Piero Angelo).Following that.

the SIA architectural firm was established. It specializes in concept and consulting work utilizing a design system gained from overseas project experience.

The scope of our design work is broad and flexible, including architectural design, interior design, product design, concept work, value creation, and strategy development.

It has received numerous awards such as the JCD Encouragement Award,Nashop Lighting Aｗard Excellence Award and OUTDOOR design award 2020.

He hold various design discussions on Lifestyles and designs, including the “Design Conference”, under the theme of overseas architectural interior design reports and the “new normal design”.

He also conducts research and development of materials such as scrap wood and bamboo from abandoned bamboo forests,

as well as research and study of design trends and has written many books on cafe design and interior design.

The currently follow the installations of artists and design strategies of business owners.

Siesta-International-Associates Architect Office is an Architect & Interior Design Firm that specializes in planning design events,
creating furniture designs and sharing design knowledge through seminars and lectures in specialized schools and conference settings.

nd sharing design knowledge through seminars and lectures in specialized schools and conference settings.