Yasna Provoste Campillay is a Chilean teacher and Christian Democrat politician of Diaguita descent, who served as minister during the presidencies of Ricardo Lagos and Michelle Bachelet. Since 11 March 2018, she has been a senator for the Atacama Region, for the period 2018-2026.

The president of the Senate of Chile is the presiding officer of the Senate of Chile. The position comes after the Ministers of State in the line of succession of the President of Chile in case of temporary incapacitation or vacancy, according to Article 29 of the Constitution of Chile.