As bishop of the Catholic Diocese of Fairbanks, Bishop Chad Zielinski exercises his episcopal office to teach, to sanctify and to govern.

He oversees the preaching of the Gospel and Catholic education in all its forms. He is responsible for the proper administration and catechesis for the Sacraments. He acts as a judge for the diocesan tribunal. He assigns clergy and religious to their pastoral positions, oversees diocesan finances and as pastor cares for the spiritual needs of Catholics living within the ecclesiastical jurisdiction of the diocese.