Keith holds a Bachelor of Fine Arts degree with distinction from Massachusetts College of Art and Design in Boston. Maddy was awarded a Fellowship in 2022 from the Massachusetts Cultural Council; the 2019 People’s Choice Award, Young Masters Art Prize at Cynthia Corbett Gallery, London, U.K.; was a 2017 grant recipient from the Artist’s Resource Trust; and received a 2016 Finalist award from the Massachusetts Cultural Council. He has been recognized by the International Art Critics Association for the exhibit Surrounded at the Brickbottom Gallery in Somerville, MA, in which he both participated and co-curated. He works out of the historic Fenway Studios, Boston, MA and has exhibited extensively in the greater Boston area and throughout New England, and is in private collections globally, including Fidelity Investments and Massachusetts Institute of Technology.

Maddy is represented by AndersenYezerski Gallery in Boston. His art has been published in Making The Cut Vol. 1, The World’s Best Collage Artists by Crooks Creative Publishing, Melbourne, Australia, 2017; kolaj Magazine #17, 2016; 100 Boston Artists by Schiffer Publishing, 2013; Mixed Media Collage by Quarry Books, 2007; and Cloth Paper Scissors, Issue 51, Nov/Dec 2013, by Interweave Press.