Councillor Martyn is the Mayor of Central Elgin. She previously served as Deputy Mayor of Central Elgin for the past four years. 

Councillor Martyn serves on the Elgin County Museum and the Rural Initiatives committees

She is the Chair of the Catfish Creek Conservation Authority Board and volunteers with the Sparta District Historical Society, the Carolinian Festival, the Sparta Community Society and South Elgin Minor Ball. 

Councillor Martyn and her husband John have three children and 2 grandchildren.