[1] She represented the electoral district of Vuntut Gwitchin in the Yukon Legislative Assembly from 2000 to 2006.
She succeeded former New Democrat MLA and Speaker of the Yukon Legislative Assembly, Robert Bruce.
The New Democrat government was defeated in that campaign and Peter joined the Official Opposition.
During the 31st Legislative Assembly, Peter served as Official Opposition critic for the Departments of Environment and Justice, the Women's Directorate, and for First Nations issues.
A Gwich'in from Old Crow, Peter later served as a councillor and Deputy Chief of the Vuntut Gwitchin First Nation after leaving territorial politics.