Karl was Educated at Campbell College and University of Ulster Faculty of Art and Design Belfast. Proprietor of Private GlasStudio since 1985 facilitating Masterclasses at North Lands Creative Glass Caithness and Visiting Lecturer at Ceramics Department University of Ulster and Metals and Glass Department National College of Art and Design Dublin. Participated in 3rd Level Teachers Forum sponsored by Bullseye Glass Co. Portland Oregon USA. Member of the British Society of Master Glass Painters and the Glass Society of Ireland Contemporary Makers. Central Advisor and Art Acquisition Panel for Arts Council of N. Ireland and Registered Professional Craftworker with The Crafts Council of Ireland. National Register of Makers Crafts Council Resource Centre London.
Contemporary Exhibitions include Galerie Embargo Paris, Eblana Gallery Dublin, Sculptural Objects Functional Art Chicago, Smithsonian Institute Washington DC, Ormeau Baths Gallery Belfast, Millennium Court Arts Centre Portadown, National Crafts Gallery Kilkenny, St. Fergus Gallery Caithness, National Museum Edinburgh, North Lands Creative Glass Permanent Collection.