Sonia is Chief leader writer at the Observer and Deputy opinion Editor at the Guardian.
Sonia presents documentaries on social and economic issues for Radio 4 and is also a regular contributor on the Sky News paper review.
Sonia has also been a guest on the Andrew Marr Show, Newsnight and the Today programme.
Prior to working for the Guardian/Observer, Sonia worked as an adviser to Ed Miliband when he was leader of the opposition, and has also had senior roles at Which?, Demos and IPPR.
Sonia is also a trustee of the Trust for London and a former school governor and trustee of the charity City Year.