Joseph Augustine Di Noia

On September 21, 2013, Pope Francis named him Adjunct Secretary of the Congregation for the Doctrine of the Faith.

On June 26, 2012, Pope Benedict XVI appointed him Vice President of the Pontifical Commission Ecclesia Dei, serving under his former superior, Cardinal William Levada, who was its president. The commission was charged with overseeing the talks between the Holy See and the followers of the late, excommunicated, traditionalist Archbishop Marcel Lefebvre, principally members of the Society of Saint Pius X led by Bishop Bernard Fellay.

On June 16, 2009, Pope Benedict XVI appointed him Secretary of the Congregation for Divine Worship and the Discipline of the Sacraments and titular Archbishop of Oregon City. He received episcopal consecration on July 11, 2009, at the Basilica of the National Shrine of the Immaculate Conception in Washington, D.C. Cardinal William Levada was the principal consecrator and Archbishops Donald Wuerl and Thomas C. Kelly, O.P. served as principal co–consecrators. When he was reassigned after just three years, he said he was "flabbergasted".

He began his career in the Roman Curia when Pope John Paul II appointed him Under Secretary of the Congregation for the Doctrine of the Faith on April 4, 2002.

From 2001–2002 he served as a visiting professor at St. Joseph's Seminary in Yonkers, New York.

From 1993 until 2001, Di Noia served as the executive director of the Secretariat for Doctrine & Pastoral Practices at the United States Conference of Catholic Bishops, headquartered in Washington, D.C. Di Noia served on the International Theological Commission from 1997 until 2002 and received the title of Master of Sacred Theology from the Order of Preachers in 1998.

Before beginning work on his doctorate at Yale, Di Noia served as an instructor of theology and assistant chaplain at Providence College from 1971–1974. After completing his doctorate, he returned to the Dominican House of Studies in 1980 and became a professor of systematic theology, a post he held until 1993. During his time there, he was also editor of The Thomist and was a founding director of the Intercultural Forum for Faith & Culture at the Saint John Paul II National Shrine.

Di Noia graduated with a bachelor's degree from Providence College in 1965 and entered the Dominican Province of St. Joseph. He went on to study philosophy at the order's faculty for philosophical formation at St. Stephen's Priory in Dover, Massachusetts, and then pursued his theological formation at the Dominican House of Studies in Washington, D.C. He was ordained on June 4, 1970, having earned a Master of Divinity and Bachelor of Sacred Theology degree in 1969. He went on to earn a Licentiate of Sacred Theology from the Dominican House of Studies in 1971 and a Ph.D. in religious studies from Yale University in 1980 with a dissertation entitled "Catholic Theology of Religions and Interreligious Dialogue".

Joseph Augustine Di Noia OP (born July 10, 1943) is an American member of the Dominican Order who is a Roman Catholic archbishop and theologian. Since 2013 he has been Adjunct Secretary of the Congregation for the Doctrine of the Faith. He has held several other positions in the Roman Curia since 2002.