Carlos Melchor Díaz Villavicencio (born 17 July 1967) is a Bolivian economist, professor, and politician who served as the Minister of Development Planning from 2019 to 2020 during the interim government of Jeanine Áñez.
He previously served as Minister of Economic Development from 2005 to 2006 during interim government Eduardo Rodriguez Veltzé.
Since 2017, he has held the position of Chairman of the Board of the University of Santa Cruz de la Sierra.
[3] On 16 June 2005, Díaz was appointed as Minister of Economic Development by interim President Eduardo Rodriguez Veltzé.
[4] On 15 November 2019, Díaz entered the cabinet of another transitional president when Jeanine Añez appointed him Minister of Development Planning.