Giannone edited the student magazine
Varsity magazine at Cambridge, which led to work experience at
Anglia Television, and on graduation in 1997 she joined the regional
ITV station in
Norwich as a news trainee, producing, reporting and presenting for regional news bulletins. In 1999, her language and broadcasting skills helped her land a role as a reporter and presenter for
Channel 4's
Football Italia series, where she covered the Italian soccer scene for a season, flying between the UK and Italy every week. She returned to Anglia in 2000 as a presenter and reporter, this time for the programme for the east of the region covering Norfolk, Suffolk and Essex. In 2024, she was reappointed to the same slots 0700–0900 GMT Tuesday–Thursday and 1800–2300 GMT on alternate weekends, and as a relief presenter to the successor to World News Today,
The World Today. In March 2026, she presented her first weekday
BBC News at One from Salford. ==Personal life==