Yoshiko Yamanashi
Senior Designer

Yoshiko Yamanashi
Senior Designer
Yoshiko is a designer who brings a multi-dimensional approach to workplace and commercial interiors, always striving to deliver the “best of the best.” She believes that great design isn’t just about aesthetics, but about understanding how people interact with their environment and finding functional, inspiring solutions from every angle.
She holds a degree in Interior Architecture from the School of the Art Institute of Chicago and a degree in Sociology from Barat College. Her career spans both the U.S. and Japan, with projects for clients like Ootoya and Gallery de Pop in New York, and Tiffany & Co. and Michael Kors in Tokyo. In Japan, she worked with leading design firms including A-Factry and The Design Studio, where she developed her expertise in concept development, space planning, and client-centered design for hospitality and commercial projects.
Among her most recognized achievements is the GSK Japan headquarters, which received both the Creative Office Award and New Office Promotion Award at the 31st Nikkei New Office Awards. The project was also selected as a filming location for a nationally broadcast television drama.
Yoshiko is known for her integrity, clarity, and deep commitment to translating each client’s vision into spaces that perform—visually, functionally, and culturally.