[1] John was born in the Vale of Glamorgan, Wales.
She read for a degree in French and German at Robinson College, Cambridge, between 1989 and 1993, before completing a postgraduate course in journalism at Trinity & All Saints College.
Her first job was a news reporter and presenter at Swansea Sound.
She moved to work for BBC Wales in 1994 working in radio news for three years before becoming a TV reporter and news presenter.
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