The new financial minister returned from Africa in time to be sworn in Tuesday. He is Edgar Ayales Esna of Curridabat.
Ayales replaced Fernando Hererro who was forced to quit because of a series of tax scandals. Ayales has worked at the World Bank and the International Monetary Fund.
His first job as head of the Ministerio de Hacienda will be to work with lawmakers to obtain passages of several interim measures President Laura Chinchilla has proposed to tighten tax collection.
The 62-year-old economist was in Africa consulting with the government of Angola.