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María Serna Guerrero

María Serna Guerrero is a highly skilled climate and energy regulatory specialist with a proven track record of influencing national and international policy landscapes. She has developed key HSE and upstream regulatory frameworks in Mexico, consulted on methane emissions regulations in Colombia, and advised on high stakes offshore tenders in Guyana. Her dual legal background in environmental law and regulatory improvement equips her to bridge policy with practical implementation. With published work on Latin America's climate commitments and energy governance, and strong cross-border consulting experience, María is a leading voice in shaping sustainable, compliant, and forward-looking energy systems across the Americas.

Name
María Serna Guerrero
Occupation
María Serna Guerrero is a highly accomplished expert in climate, energy regulation, and environmental law, with over a decade of experience advising across private, public, and multilateral sectors. Specializing in regulatory frameworks for hydrocarbon projects, methane emissions control, and decarbonization strategies, she has shaped key energy and environmental policies in Mexico, Colombia, and Guyana. María has worked with globally influential entities such as Chevron, S&P Global, and the UN, playing an instrumental role in aligning national policies with international best practices. Her expertise is both technical and strategic balancing legal precision with regulatory innovation to advance sustainable energy transitions.
Expertise

− Colombia: Methane regulation consultant, UN regulatory support 

− Guyana: Tender evaluation specialist (legal, financial, HSE) 

− Mexico: Regulator, policy drafter, legal advisor, strategic permitting lead 

− United States of America: LL.M. graduate; international policy researcher at University of Houston

Experience

• S&P Global (Mexico) – Policy and Regulatory Analyst (Dates not specified, current/ongoing)

 o Research and regulation drafting for emerging energy markets, including Guyana

 o Focus on HSE standards and decarbonization trends

• Mexico Pacific Limited – Regulatory Affairs Lead (Until 2022) 

o Led regulatory strategy for major LNG plant; secured federal/state/ municipal permits 

• Talanza Energy Consulting (Mexico/Colombia) – Energy Legal Consultant 

o Drafted methane regulations for Colombia; advised UN projects 

• Chevron Africa & Latin America E&P – Regulatory Strategist 

o HSE-focused compliance alignment and cross-regional policy adaptation 

• National Agency for Industrial Safety and Environmental Protection (ASEA, Mexico) – Legal Regulator o Drafted cornerstone HSE regulations during Mexico's energy reform 

• National Hydrocarbons Commission (CNH, Mexico) – Legal Officer 

o Designed bidding terms and awarded shallow water contracts

Publications

2024 – “Energy Regulation and Climate Governance in Emerging Markets” – Routledge

2023 – “Methane Emissions and Climate Commitments in Latin America” – Routledge

Languages
Spanish (Native), English (Professional Proficiency)
Ethnic groups expertise
All ethnic groups in the countries of expertise.
Political groups expertise
All political groups in the countries of expertise.
Religious groups expertise
All religious groups in the countries of expertise.
Other social groups expertise
All other social groups in the countries of expertise
Fees
[Private to EIN members]
Contact email
mguerrero@witness-experts.com
Countries of expertise: