 Among the public positions she held through her career were prosecutor in the Criminal Court, undersecretary of Education, director of the Department of Educational Planning for the Ministry of Education, and legal advisor to the Ministry of Culture, among others.She was instrumental in drafting numerous laws, including revisions to the Family Code, the law to address HIV/AIDs, the "Law for the Alternative Development of Non-Formal Education", and the "Law for the Institute for Children and the Family".In 1994, Alonso led the efforts to eliminate gender biases in legal terminology and in 1998, helped establish the National Institute for Women, an office which regulates and promotes the human rights of women.