After his secondary education at the Colegio Don Bosco in Guatemala and the Salesian Seminary in El Salvador, he studied philosophy, theology and pedagogy at the Salesian Institute of Theology and Philosophy, and the San Carlos University of Guatemala. On 25 August 1976 he was ordained priest by Cardinal Miguel Obando y Bravo, S.D.B., the Archbishop of Managua, Nicaragua. He taught at various Salesian education centers in Central America, including the Salesian Vocational Center Rinaldi Santa Tecla, Dominic Savio College of Cartago and the Don Bosco Technical Institute. Also, he was director of the Instituto Salesiano San Miguel in Tegucigalpa, Honduras. Fr. Vian Morales received sabbatical leave to study liturgical theology at the Pontifical Liturgical Institute of Sant'Anselmo in Rome. On his return to Central America he was appointed spiritual adviser and director of the Salesian Institute and the Salesian Youth Centre. Shortly afterwards he was appointed director of studies at the Salesian Don Bosco School in Guatemala City and four years later director of the Salesian San Miguel Institute in Tegucigalpa, Honduras. In December 1990 he was appointed director of the Don Bosco Youth Center in Managua, Nicaragua, and in 1994 took over as director of the Don Bosco School of Guatemala City. He also taught liturgical theology and catechesis in numerous seminars throughout Central America. For the Salesian province he acted as councillor of the Salesian Inspectorate for Central America and delegate for youth ministry in the province's center located in San Salvador. In 1990 he was elected delegate of the Salesian Province to the General Chapter in Rome. Pope John Paul II named him Vicar Apostolic of El Petén on 20 December 1996. He was consecrated bishop by Cardinal Obando y Bravo on 1 February 1997 in the city of Flores, El Petén. Between 1997 and 2006, he also held various positions within the Episcopal Conference of Guatemala, was chairman of its liturgy ministry committee, and participated in its committees on land ministry, Caritas-social ministry, youth ministry, and education ministry. In addition, he chaired the Education Ministry Commission of Central America and Panama. He was appointed Archbishop of Los Altos Quetzaltenango-Totonicapán in 2007. Transferred to the post of Archbishop of Guatemala on 2 October 2010, he took possession of the see on 4 December 2010.
Death
He died due to cancer in a Guatemala City hospital on 24 February 2018. Acting PresidentJafeth Cabrera Franco decreed three days of national mourning, and the national flag should fly at half mast in all public plazas and government buildings.
