WIKIPEDIA:

“ Rollo Armstrong (born Rowland Constantine O'Malley Armstrong, 1966 in Kensington, London) is an English multi-instrumentalist music producer and founding member of the electronic music group Faithless.

Early life
Armstrong was born to an Irish publisher and English poet. He is also older brother of singer Dido, whom he helped to write and produce the multi-million selling albums No Angel, Life For Rent and Safe Trip Home. He studied at the University of York and was an active member of the student radio station, URY.

Career
Armstrong has appeared on a large number of music projects, both within groups and solo, using various monikers, including Faithless (which he formed in 1995 with Sister Bliss, Jamie Catto and Maxi Jazz), Rollo Goes …, Our Tribe (with Rob Dougan), and Dusted.
In the United States, Rollo is known for his production work on Dido's albums as well as singer/songwriter Kristine W's debut album, Land of the Living. Rollo also co-wrote the song "Who Are You?" by Australian musician Katie Noonan, appearing on her album Skin. Rollo co-wrote and co-produced Felix's hit single "Don't You Want Me", which reached number 6 in the UK Singles Chart.
In 1991, Rollo founded Cheeky Records. At a later date [......] ”

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