Terrance resides on Cowessess First Nation east of Regina. He attended Marieval Residential School for eight years.
Currently semi-retired, Terrance remains active as a consultant, educator and sessional lecturer. He is also a doctoral student at the University of Saskatchewan; his interest areas include local history, Indigenous leadership, Indigenous ways of knowing, community research and curriculum development. Terrance spends time caring for his grandchildren, most recently, day-caring during the pandemic.