Yumi Mashiki is a classically-trained composer and arranger based in London.

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Combining contemporary classical styles with modern electronics, her commissioned work covers films, commercials and production music. Yumi also offers expertise in orchestral arrangements, programming and score preparation for recording sessions.

In 2013, Yumi began an on-going creative collaboration with film-maker, Tereza Stehlíková, with screenings at the Whitechapel Gallery and the Open Senses Festival in London. Yumi’s scores have also accompanied films at Cannes, Beijing College Film Festival and the Newport International Film Festival. Her orchestration projects include theme-park music at Tokyo Disneyland. On various library production albums, Yumi has explored fusions of traditional Japanese instruments with electronic instruments, as well as experimental arrangements of well-known classical pieces. In 2020, Yumi contributed a re-worked film composition, ‘Ophelia’ to the compilation album, ‘Avenue with Trees’, on the Second Language label, described in Electronic Sound magazine as “a delicate piano composition that hangs in the evening air with exquisite fragility". 

A Masters graduate in Film and TV composition from Kingston University, her further study includes workshops in Hollywood soundtracking with award-winning composer/orchestrator, Conrad Pope.