Toshiki Omatsu is a Tokyo-based, Japanese designer, born in 1973, and is a member of Architectural Institute of Japan.
He graduated from Kyoto Institute of Technology, Architecture & Design (B. Arch.) in 1996, and took a Diploma in The Berlage Institute, Amsterdam with The Netherland with Japanese Agency for Cultural Affairs, Overseas Study Grant in 1999.

After working in a several architecture offices in London, Tokyo, Hong Kong, he opened his own studio called “Toshiki Omatsu Atelier” in 2005 to design architecture, furniture and products, and has won a several competitions in Japan. He is currently a director of Space design department at a famous design school called “Kuwasawa design school” in Tokyo.

Since 2019, he has been energetically designing furniture aimed "Art x Technology", especially using aluminum.