Denis A. Cliff studied at the University of Victoria, earning a Bachelor of Education. He also completed post-graduate studies at Toronto's New School of Art.
Cliff began showing paintings followed by a series of drawings, sculpture and installations.
In over 30 years of professional work, he has had twenty-eight solo shows and seventy group exhibitions in Canada and the U.S.
He has taught at York University, University of Toronto, Ryerson, OCAD, Emily Carr College, the New School of Art, Art's Sake Inc., and many other educational institutions, including the Toronto School of Art.
Denis had a retrospective exhibition of 31 years of his work at the Contor Gallery in Toronto. Before his death he was working on a new form of dimensional landscape painting that was interactive.
Denis A. Cliff is a member of the Royal Canadian Academy and
He passed away in 2013.