[3] Garneau has curated exhibitions for the MacKenzie Art Gallery in Regina such as Close Strangers Distant Relations (2009)[4] and Moving Forward, Never Forgetting, with Michelle LaVallee (2015)[5] as well With Secrecy and Despatch, with Tess Allas, an international exhibition about massacres of Indigenous people, and memorialization, for the Campbelltown Art Centre, Sydney, Australia.
[1] He is an active writer writing book chapters on Indigenous issues[5] and critically reviewing shows of contemporary Canadian artists.
[12] He is predominantly a still-life painter, but works at incorporating ideas about his Métis heritage[3] and has also created performance, video, and public art.
[5] As a performance artist, Garneau has dressed as Louis Riel and presented a hangman's noose to a statue of Sir John A. Macdonald.
[12] In 2023, the Nickle Galleries at the University of Calgary exhibited Garneau's retrospective titled Métissage (2023) curated by Mary-Beth Laviolette (53 pieces of artwork produced over 20 years).
[14] Garneau's works are found in the collections of the Canadian Museum of History (Ottawa),[15] The Canadian Parliament, the Mackenzie Art Gallery (Regina), the Remai Modern (Saskatoon),[16] Glenbow Museum (Calgary), City of Calgary, University of Regina,[2] University of Lethbridge,[17] and the Alberta Foundation for the Arts,[18] among others.