Mariana Herrero S

Practice Areas

Environmental and ESG

Career

Mariana has practiced environmental law her entire professional career, which dates back to her time as a law student, and has never looked back.

Mariana has in-depth and expansive experience in environmental law, from wildlife to waste regulation. She takes a multi-perspective approach on environmental issues, often in collaboration with the Firm’s Projects, Litigation and M&A practices. She is praised by clients and peers for her ability to bring outstanding environmental expertise to the Firm’s regulatory practice, transactional projects and strategic litigation.

Supported by a skilled team of associates, she has represented Mexican and international companies in the energy, retail, manufacturing, financial services and infrastructure industries.

She has a particular expertise in advising intense water consuming industries on the preservation of water rights and designing strategies to ensure compliance with the complex wastewater regulations in Mexico.

As the first female partner of the Firm, Mariana is conscious of being a role model for other young female lawyers at Galicia and elsewhere. She actively promotes diversity and inclusion best practices at the Firm and organized the Diversity & Inclusion Committee from inception to 2021. Mariana is the first female member in the Executive Committee across leading firms in Mexico as well as a member of Galicia’s Diversity, Equity & Inclusion and Pro Bono Committees.

Mariana is also a founding board member for Abogadas MX, a non-profit organization that aims to promote more female lawyers in leadership positions in Mexico.

She studied Law at Universidad Panamericana with a specialization in Administrative Law and holds a MSc in Environmental Sustainability from the Centre for the Study of Environmental Change & Sustainability at the University of Edinburgh, Scotland.

Mariana is recognized as an expert and leading lawyer by renowned international publications and directories, such as Chambers Latin American Guide and The Legal 500 Latin American Guide, in the Environmental practice. The Legal 500 Green Guide lists her as an expert in the Environmental, Social and Governance (ESG) practice.

Clients

Client Quotes:

"Mariana Herrero is formidable. She has the technical prowess to provide fabulous in-depth analyses of environmental matters, all whilst offering constant follow-ups and keeping us updated."

"Mariana Herrero is experienced at leading environmental mandates in Mexico. Her biggest strength is her responsiveness, which is really helpful."

"Mariana Herrero helps me digest complex information, explaining matters in a simple manner. She is very proactive, responsive and gives me a variety of solutions."