[7] She is the daughter of Cornish poet and linguist Tim Saunders[8] and Lyn Mererid, who is an activist and member of the choir Côr Cochion Caerdydd and works as a translator.

In 2001 she had a role in the Welsh language soap opera Pobol y Cwm on S4C, for whom she would later host her own programme Ydy Gwenno'n Gallu...?

[19] Saunders represented Cornwall in the Liet International song contest, 2003, and won the People's Choice Award for her performance of "Vodya".

In December 2004 Gwenno filmed the song "Ysolt y'nn Gweinten" by Celtic Legend for Classic FM TV.

[20][21] In June 2012, Saunders released a five-song Welsh language EP, Ymbelydredd, available on hand-painted cassettes on Peski Records.

[30] A successful performance of "Tir Ha Mor" on Later... with Jools Holland prompted wider conversations on the state of the Cornish language with Michael Portillo, Jon Snow, and Nina Nannar.

[33] It is inspired by powerful woman writers and artists such as Ithell Colquhoun, the Cornish language poet Phoebe Proctor, Maya Deren and Monica Sjöö, Tresor is an intimate view of the feminine interior experience, of domesticity and desire, a rare glimmer of life lived in and expressed through Cornish.

[35] In December 2015, a giant mural of Saunders was erected on the wall of Clwb Ifor Bach on Womanby Street in Cardiff's city centre.

We want to continue a conversation about an inclusive self-determination by drawing on our past, embracing our neighbours across the UK and the world with open arms, whilst also making sure that we're singing along to the best possible tune".