Helen Mary Jones was born in Colchester, Essex where she spent her early years, before moving to rural Montgomeryshire with her family at the age of 13.
She was educated at Colchester County Girls' High School, Llanfair Caereinion High School in Powys and the University of Wales, Aberystwyth. He has taught in special education and has worked in a variety of roles in youth, community and social work.
She recently worked as deputy director of the Morgan Academy at Swansea University, before returning to the Senedd.
In 1999 she was elected to the new National Assembly for Wales for the Llanelli constituency. Prior to her election as AM for Llanelli, she was Senior Development Manager at the Equal Opportunities Commission in Wales.
She was Shadow Minister for Education and Lifelong Learning, a member of the Education and Lifelong Learning Committee, the Equal Opportunities Committee, the South West Wales Regional Committee and also a member of the Voluntary Sector Partnership during its first term. the National Assembly.
Helen Mary was an Assembly Member from 1999 to 2011, returned to the National Assembly in August 2018 as an Assembly Member for Mid and West Wales and had the portfolio of the Shadow Cabinet on Health, Social Care and Sport. She is Plaid Cymru's national spokesperson on the Economy, Tackling Poverty and Transport.