On the 23rd of April 2021, Josefa González-Blanco assumed her duties as Mexico's representative in London after presenting to the Foreign, Commonwealth & Development Office (FCDO) a copy of her Letters of Credence accrediting her as Ambassador of Mexico to the United Kingdom of Great Britain and Northern Ireland.

She serves as Mexico’s Permanent Representative to the International Maritime Organization, the International Mobile Satellite Organization, International Coffee Organization, the International Sugar Organization, the International Whaling Commission and the International Oil Pollution Compensation Funds (FIDAC for its Spanish acronym).

Ambassador González-Blanco has a Law Degree from the Anahuac University and a Master's Degree in Transformative Arts from the John F. Kennedy University. She has done several studies at the Centre for Diplomatic and Strategic Studies in Paris, France.

She was Secretary of the Environment and Natural Resources of Mexico and has a long history as a promoter of social and cultural programmes, both in Mexico and in the United Kingdom, as well as with environmental protection and wildlife conservation programmes.

She was a professor of comparative legal systems at the National Autonomous University of Mexico and the University of Monterrey. She also served as Administrative Secretary of the Graduate Program of the National University’s Law School.