Kathleen Mullaniff trained at the University of the Arts, Camberwell College of Art and Design (BA Fine Art Painting), and at the University of London, Goldsmiths College (MA Fine Art). She has exhibited in Painting as a ‘Foreign as a Language’ at Cultura Inglesa Sao Paulo. ‘Fabric Reinterpreting the House’ at Abbott Hall Art Gallery. ‘Loop’ at Bankfield Museum, ‘Showhouse’ at PM Gallery and House. She was awarded an AHRC grant in 2002 in order to research the botanical drawings of, Les Roses, by Pierre-Joseph Redoute. In 2004 she participated in ‘Purl’ at The Museum of Domestic Design and Architecture where three UK artists and three artists from the USA used the textile archive to make original works. In 2007 she participated in ‘Paisley: exploding the teardrop’ at PM Gallery and House which was featured in the BBC Women's Hour. In 2004 she co-founded the Patternlab and took part in Touch, Textiles, Technology: collaboration across Europe at Goldsmiths College and Containing Culture: Lacking in Discipline at Manchester Metropolitan University. The Patternlab was also featured in Textiles: The Fabric of Fine Art. Her current research is focused upon making paintings from the floral images of Mariaan North who was a botanical artist (1830-1890). In May 2012 she presented a one-person exhibition entitled ‘Fade in Fade’ out at the Tokarska Gallery in London.
 
Kathleen has taught Fine Art at a number of universities including the Northumbria University, Newcastle, and Central St Martins College of Art and Design. She has been an external examiner at Camberwell College of Art and Design and the University of Hertfordshire. From 1992/02 she was the BA Fine Art Programme Leader at Middlesex University where she is a Senior Lecturer on the BA Fine Art Programme.

Kathleen was a founder member of Chisenhale Studios and Gallery (1981­-2007). Current Exhibition ( Dec 2019 Dec 2020 ) ‘Textile and Memory’, the Loom Room, The Dick Institute, Kilmarnock, Scotland.