A member of the African National Congress, she was elected deputy speaker of the North West Provincial Legislature in 2010.
In 2012 she was appointed as the Member of the Executive Council (MEC) for Economic Development, Environment, Conservation and Tourism in the North West Provincial Government.
Rosho holds a BA honours degree in communications, as well as a postgraduate diploma in public policy and African studies.
She was also an investigative journalist for the South African National Civic Organization between 1990 and 1994 and a media organiser for Western Transvaal and Northern Cape Provinces and a member of the subcommittee of media relations at SANCO and the ANC Western Transvaal.
She was also an editor for the ANC Western Transvaal newsletter of Moelatlhoko and a member of the African Union for Journalists.
[8][1] On 17 August 2021, party veteran Bushy Maape was announced as the ANC's preferred candidate to replace Mokgoro as premier.