Archbishop Christophe Pierre was born on January 30, 1946 in Rennes, France. He competed his primary education in Antisirabé, Madagascar, and his secondary schooling in Saint-Malo, France, and in Marrakech, Morocco. He attended the Major Seminary of the Archdiocese of Rennes (1963-1969) and the Catholic Institute of Paris (1969-1971).
He did the Military Service from July, 1965, to October, 1966. Was ordained a priest on April 5, 1970, in Saint-Malo, France and incardinated in the Archdiocese of Rennes. He was Parochial Vicar of the St. Peter and St. Paul Parish in Colombes, Diocese of Nanterre, France (1970-1973).
He has a Master in Sacred Theology (Paris, 1971) and a Doctorate in Canon Law from the Pontifical Lateran University, Rome (1973-1977).
He completed his studies at the Pontifical Ecclesiastical Academy, in Rome (1973-1977), and started his service in the Diplomatic Corps of the Holy See on March 5, 1977.
He was appointed first to the Pontifical Representation in New Zealand and the Islands of the Pacific Ocean (1977-1981). Subsequently he served in Mozambique (1981); in Zimbabwe (1982-1986); in Cuba (1986-1989); in Brazil (1989-1991); at the Permanent Mission of the Holy See to the United Nations in Geneva, Switzerland (1991-1995).
He was elected Titular Archbishop of Gunela on July 12, 1995, and received the Episcopal Consecration on September 24, 1995, in Saint-Malo, France.
Archbishop Christophe Pierre was appointed Apostolic Nuncio to Haiti, on July 12, 1995, where he served until 1999. He has been the Papal Representative to Uganda (1999-2007) and to Mexico (2007-2016). On April 12, 2016 His Holiness Pope Francis appointed him Apostolic Nuncio to the United States of America.