Education
He studied museology at the École du Louvre in Paris on a scholarship from United Nations Educational, Scientific and Cultural Organization, and returned to Ecuador in 1959 when he was 22 years old to use his knew knowledge in his homeland.
Career
Crespo Toral worked for over 25 years at the Museums of the Central Bank of Ecuador, first as Founding Director of the Archaeological Museum and Art Galleries, and later as Director General of Museums. After working for the Museum of the Central Bank, he became the Assistant Director-General for Culture at United Nations Educational, Scientific and Cultural Organization. Then in 1988 he was the Director of the United Nations Educational, Scientific and Cultural Organization Regional Office for Culture in Latin America and the Caribbean, located in Havana, Cuba. In 1995, he moved Paris to work at the United Nations Educational, Scientific and Cultural Organization headquarters, where his position was first Director of the Culture Sector (1995–1998) and then Assistant Director-General for Culture (1998–2000).
Crespo Toral retired from United Nations Educational, Scientific and Cultural Organization in 2000, he then served as an international consultant.