He served as the Foreign Minister of Bolivia from 23 January 2006[1] to 23 January 2017. He was designated the Secretary General of the Bolivarian Alternative for the Americas (ALBA) in March 2017, a position which he held until November 2019. On 19 January 2020, he was designated as the vice-presidential candidate of the Movement Towards Socialism (MAS) in the 2020 Bolivian general election and was elected on 18 October.