Ordained to the priesthood on 30 June 1963, Sambar-Talkena was ordained bishop on 6 January 1996, following the death of his predecessor Ernest Patili Assi. He resigned on 7 January 2009 and was succeeded by Jacques Danka Longa. He held the title of bishop emeritus until his death in Lomé in 2013.[1]
He was born in the village of Baga, a village neighboring Niamtougou. He spoke Nawdm and French.
For many years he was President of the Episcopal Commission for Catholic Education in the Bishops' Conference of Togo.