William Jefferies studied tapestry at Edinburgh College of Art and then worked at the Dovecot before going on to do an MA at the Royal College of Art. He weaves to commission and produces speculative tapestries for exhibition. He has work in the collections of the Victoria and Albert Museum, Crafts Council, Scottish Arts Council and the National Gallery of Victoria, Australia.

He teaches at Morley College and Huron University, London. He regularly conducts workshops across the UK.