Simeon Dyankov is a Bulgarian economist. From 2009 to 2013, he was the deputy prime minister and minister of finance of Bulgaria in the government of Boyko Borisov. He has been a vocal supporter of Bulgaria's entry into the Eurozone. Before his cabinet appointment, he was the chief economist of the finance and private sector vice-presidency of the World Bank.

Boyko Metodiev Borisov is a Bulgarian politician who was a three-term Prime Minister of Bulgaria, serving from 2009 to 2013, 2014 to 2017, and 2017 to 2021, making him Bulgaria's second-longest serving Prime Minister to date. Despite leaving office, Borisov remained as the leader of the GERB party and later returned to politics by becoming a member of the National Assembly, which he is to this date.