Kristina Prosheva was born in 1974 in Sofia. In 1992, she completed her secondary education at the 18th William Gladstone Secondary School, Sofia.

She obtained a master's degree in Marketing and Management at the University of National and World Economy in 1996.

In 1998, she started working as an expert at the Ministry of Environment and Water in the Directorate of European Integration and International Cooperation.

From 2002 to 2026, she successively held various expert positions under the Secretary of Foreign Policy in the Presidential Administration, reaching the position of Chief Expert.

By Decree No. 202 of June 11, 2026, she was appointed Foreign Policy Advisor to the President of the Republic of Bulgaria.

She speaks English and Russian, and uses French.