Robert Wiens (b. 1953, Leamington, ON) attended the New School of Art, Toronto (1973-74). Since 1978, his work has been presented in solo and group exhibitions at the National Gallery of Canada, the Art Gallery of Ontario, The Power Plant (Toronto), the Southern Alberta Art Gallery (Lethbridge), Oakville Galleries, the Dunlop Art Gallery (Regina), the Agnes Etherington Art Centre (Kingston) and the Art Gallery of York University (Toronto). His work has also been presented internationally in Los Angeles, London, Amsterdam, Bologna and New York. Permanent collections include the National Gallery of Canada, the Art Gallery of Ontario, the Agnes Etherington Art Centre at Queen's University, Kingston, the Art Gallery of Nova Scotia, the Canada Council Art Bank, Bank of Montreal and TD Bank.

Since 1997 Wiens has been concerned primarily with environmental issues; native trees being the principal subject of this work.