After graduating from Waseda University with a master's degree, Tsukumo gained experience as an interior designer in a major architectural design office, and joined Nikken Space Design in 2003. After that, she has been in charge of designing hospitality facilities such as hotels and corporate recreation facilities. She put the project together for Ritz Carlton Tokyo, which was completed in 2008, working with overseas designers. After this, she took care of interior design of hotels and luxury residences, and won a silver prize from the IC Award in China in 2011. She always tries to make her designs elegant through the coexistence of 'individuality' and 'harmony'. She has recently been engaged in interior design for ships and hospitals, and is extending her range of expression in design.