On 30 October 2000 Pope John Paul II appointed him Apostolic Vicar of Paksé and he was consecrated a bishop on 22 April 2001 by Bishop Jean Khamsé Vithavong, Apostolic Vicar of Vientiane.
On 30 October 2000 Pope John Paul II appointed him Apostolic Vicar of Paksé and titular bishop of Aquae Novae in Proconsulari. He was consecrated a bishop on 22 April 2001 by Bishop Jean Khamsé Vithavong, Apostolic Vicar of Vientiane.