Milton, who reports to Sky marketing director Charles Ponsonby, will identify and develop sponsorship deals that help consumers associate Sky with programming beyond its staples of sport and films, such as the arts.
This could be in conjunction with existing sponsors of arts and music events, or on its own. Sponsored events may also be televised on Sky.
The drive will build on Sky's recent aggressive customer acquisition activity.
The broadcaster currently co-sponsors the English National Opera and the English National Ballet in a three-year £3m deal with the Artsworld TV channel.
Prior to L'Oreal, Milton spent four years at Unilever as brand manager for its ice creams, and worked on its sponsorship of Tate Modern.
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