Shuster stepped up from his position as marketing head for Southeast Asia to take up the role of SVP, marketing, go-to-market, Nokia in Finland earlier this year.
He has worked with Nokia for over a decade in various capacities, prior to which he was the VP of brand development and research for MTV Asia.
In his new position Shuster will be the VP of marketing for Singtel's consumer division, with effect from 1 November.
Shuster confirmed the news but declined to offer further details until he has formally joined.
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