Nadine Marshall was born and raised in the Vale of Glamorgan. A Welsh speaker, Nadine lives with her family in Barry, and has 3 children and 1 grandchild.
Before a period working as an educational coordinator across south east Wales, Nadine worked as a lecturer within education and childcare.
Tragic personal circumstances led to Nadine becoming familiar with the justice system and its workings. Following the horrific murder of her eldest son, Conner, Nadine pursued a four-year campaign to challenge and change government policies relating to information sharing, procedural reform and recognition for families affected by murder.