Tsumori is a Japanese fashion designer studied fashion at the most famous Bunka Fashion School in Tokyo, entered the Issey Miyake design company as the head designer of ''Issey sport line'' in 1977 and started her own line in 1990. Her first collection made its catwalk debut in Tokyo Fashion Week. She creates fashion with innovative handmade textiles, embroidery, appliques and prints of her own design.
She also won one of the most prestigious prizes ''the Mainichi Newspaper Award''in 2002. Her reputation and her fashion label spread internationally ,chose Paris for her first shop and participates in Paris Fashion week.In 2003 Tsumori launched her first menswear line.
Today has over 40 sales points and numerous freestanding stores throughout Asia ,United States ,Italy ,Russia and Scandinavia. At her collection Fall 11-12' Tsumori showed coctail dresses, in black and white colours, baggy trousers, silk coveralls , wool pencil high-waisted skirt in beige colors ,ponchos and dresses with striped patterns.