She started work, aged 17, as an apprentice to sculptor Anthony Bennett, and then joined the production resource company The Scenic Route,[3] with whom she worked from 1992 to 1997, latterly heading their sculpture department.
[4] In 2008, Shepherd was commissioned to create a sculpture of Stephen Hawking for a garden at University of Cambridge,[5] but the project was not completed because of the death of its intended funder.
[6] Her bronze[7] statue of Welsh activist and head teacher Betty Campbell stands in Central Square in Cardiff and was unveiled in 2021.
[8][9][10] The statue, which she won a competition to create, was described as "stunning", "triumphant" and intimate in detail" in Wales Online in 2021.
[7] In 2021, she won the competition to create a sculpture of Emily Williamson, founder of the Royal Society for the Protection of Birds, to be erected in Fletcher Moss Botanical Garden, Didsbury, Manchester, near Williamson's former home.