After degree in Art and Literature at the University SEIJO, she graduated from the Institute of Design TOKYO DESIGNER Gaguin.
Since 1987 she has been collaborating with Studio De Pas D'Urbino Lomazzi.
In 2005 she began her own activity, opening a studio where she developed activities in the field of Industrial Design and Interior Design.
Since 2012, Kaori Shiina and Riccardo Nardi began their collaboration, founding together a studio in Milan: Shiina + Nardi Design.
In addition to design activities, she works also as Design Director and Design Producer for Japanese and Italian companies.
Shiina + Nardi Design studio planned and organized in 2013 Milan Fuorisalone an event, the "Oriental design week". Kaori Shiina took the role of the producer of the exhibition "J + I“- 6 Women Japanese Designers Collaborate with Italian Artisans.
Working between Japan and Italy, her life work theme is: "Design and traditional crafts"
The studio has participated in various important events and international exhibitions.