Patrick Brill OBE RA, better known by his pseudonym Bob and Roberta Smith, is a British contemporary artist, writer, author, musician, art education advocate and keynote speaker. He is known for his "slogan" art, is an associate professor at the School of Art, Architecture and Design at London Metropolitan University and has been curator of public art projects, like Art U Need. He was curator for the 2006 Peace Camp and created the 2013 Art Party to promote contemporary art and advocacy. His works have been exhibited and are in collections in Europe and the United States. Brill co-founded The Ken Ardley Playboys and hosts the Make Your Own Damn Music radio show.
His father is the landscape painter Frederick Brill who was head of the Chelsea School of Art from 1965 to 1979. His wife is the contemporary artist and lecturer, Jessica Voorsanger.