Created a cardinal by Pope Francis on 27 August 2022, he has been the Apostolic Prefect of Ulaanbaatar, a missionary jurisdiction that covers the entire country of Mongolia, since 2 April 2020.

[3] The first member (together with a confrere and 3 religious sisters) of his order to work in Mongolia, he has served there since becoming a priest.

[3][4] On 2 April 2020 Pope Francis appointed him apostolic prefect of Ulaanbaatar and titular bishop of Castra Severiana.

[5] He was consecrated in the Santuario della Consolata on 8 August 2020 by Cardinal Luis Antonio Tagle,[6][7] assisting him were Archbishop Cesare Nosiglia, Archbishop of Turin and Cardinal Severino Poletto, Archbishop-emeritus of Turin.

"[10][11] On 27 August 2022, Pope Francis made him a Cardinal-Priest, assigning him the title of San Giuda Taddeo Apostolo.