She is the daughter of Pablo Estrada Valle, one of the founders of CFP (Concentración de Fuerzas Populares), which was one of the most important political parties of Ecuador in the fifties.
Her PhD thesis: "Revolution, Art, and Human Rights" was considered a contribution for the legal culture of Ecuador, receiving the honour of being published by the University of Guayaquil.
The song "An Ecuadorian Woman" written by Estrada during her fellowship, received an Award in the contest "Art defending Women's Rights" organised by UNIFEM in Santiago de Chile.
Estrada has accomplished a significant work on the dissemination and promotion of Human Rights and Culture of Peace Principles from the important positions held throughout her professional career, amongst them: Independent Expert Mandate Holder of the Special Procedures Working Group on Arbitrary Detentions, United Nations Senior Officer of the Counterterrorism Executive Directorate (United Nations Political Mission, New York) Chairperson and member of the Monitoring Committee of the United Nations Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW),[6][7] she was part of the Special Task Force for the organization of the Fourth World Conference on Women[8] and member of the Special Group who wrote the CEDAW Optional Protocol.
The National Award from the International Latin American Ombudsman Federation for the outstanding support to the promotion and diffusion of Human Rights within South America.
The Medal of Honour, from the Andean Parliament for her contribution to the development of Social Justice Policies within the Latin-American Region and the Special Award "Universidad de Guayaquil" for the most outstanding doctoral thesis: "Revolution, Art, and Human Rights".
Miriam Estrada Castillo is now a retired legal and political adviser to the United Nations Security Council Counter-Terrorism Committee Executive Directorate, monitoring countries from Africa, the Middle East, Latin American and the Caribbean for their compliance to the UN Conventions against Terrorism and Human Rights instruments.