*Bernardo Lesser Hiriart * He is a Civil Engineer from the Universidad Nacional Autónoma de México (UNAM); he has postgraduate studies in Port’s Engineer from the École Nationale des Travaux Publics de l’Etat in France and in Environmental and Sustainability Law from the Universidad Autónoma Metropolitana, and the Universidad de Alicante. He holds a Diploma in Environmental Economics from the Instituto de Investigaciones Económicas – UNAM.

He has more than 20 years' experience in the public sector, at federal and local levels, on issues related to environmental policies, legislation and regulation, at the Federal Ministry of Environment and Natural Resources and in the Ministry of the Environment of the Government of Mexico City.

In the private sector he has worked as a consultant on matters related to waste management, environmental impact, renewable energies, legislation and regulations water and sewage, he also worked at management positions at Cementos Mexicanos and the Grupo Holcim - Apasco.

He was part of the Mexican Technical Committee for the development of the series of international standards ISO 14000 and he was a member of the National Committee of Standardization for Environment and Natural Resources.

He currently works at the Under secretariat for Hydrocarbons at the Ministry of Energy, supporting the efforts related to Mexico's accession to the Extractive Industries Transparency Initiative (EITI), an international standard of collective governance, working with representatives of government, extractive industries and civil society.

Spanish is his native language, and has professional proficiency in English and advanced knowledge of French.