Alex Hyndman Hill was born in Grantham but grew up in Australia where she was educated at St Aloysius College, Adelaide. She moved back to the UK and attended King Edward VII School (Melton Mowbray), before reading English Literature at Royal Holloway, University of London and Journalism at De Montfort University.
Alex Hyndman Hill began her broadcasting career in 2001 with the Lincs FM Group working as a broadcast journalist, before joining GCap Media and IRN as a newsreader, editor and journalist. Alex Hyndman Hill joined Sky News Radio in 2004 as a newsreader and journalist before becoming a presenter for Sky Sports News and Sky News Three years later, Hill began presenting for the now-defunct sports news channel Setanta Sports News.
In November 2008, Alex Hyndman Hill became an anchor for ITV London regional news programme London Tonight, where she presented the show in place of main presenter Katie Derham, who primarily appeared on ITV News. She also covered Katie Derham on the ITV News at 1:30 on ITV. From September 2009, Alex Hyndman Hill could be seen as a presenter on ITV News at 5:30 on ITV as well as London Today bulletins during Daybreak on ITV London, she left in January 2011 and returned in May 2012 for a short time. Alex Hyndman Hill can be seen again as of 8 August 2013.