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About us

Meet our founder


TERESA I. NNANG AVOMO

Founder

Founder and Professional with extensive experience in the oil and gas sector, recognized for her strategic leadership in Equatorial Guinea and her pan-African approach to attracting investment.


She was the first woman to hold the position of Director General of Equatorial Guinea’s national oil company, GEPetrol, where she led major institutional transformations, including the company’s transition into the national operator of the Zafiro Field, marking a milestone in the country’s energy history.


She leads BLACKSTONE EG & Partners, the first investment lobbying firm in Equatorial Guinea, with the mission of connecting international capital with transformative business opportunities in Central Africa.


She is a Mining Engineer, holds a degree in Energy Engineering from the Polytechnic University of Madrid, and a Master’s in Hydrocarbon Exploration and Production from Heriot-Watt University (Edinburgh).


Meet our team

Dedicated professionals driving our success

At TNA Oil & Gas Consultancies, our people are our greatest asset. Our team brings together a diverse group of experts with backgrounds in engineering, legal advisory, project management, sustainability, and operations.

What sets us apart:

  • Global expertise, local knowledge – professionals with international experience combined with deep understanding of African and Middle Eastern markets.
  • Multidisciplinary approach – blending legal, technical, and operational skills to deliver holistic solutions.
  • Commitment to excellence – driven by integrity, innovation, and measurable results for our clients.
  • Culture of collaboration – working side by side with our partners, stakeholders, and clients to achieve shared goals.

We believe in investing in our people, nurturing talent, and developing leaders who not only deliver exceptional consultancy services but also contribute positively to the communities where we operate.

Mission, Vision And Values


🎯 Mission

To deliver innovative, sustainable, and value driven consultancy solutions that enhance operational efficiency, environmental compliance, and strategic growth for clients in the oil and gas sector.

👁️ Vision

To be the leading consultancy partner of choice in the global oil and gas industry, recognized for our expertise, integrity, and impact.

💎 Values

Excellence, innovation and sustainability are core values. We are focused on providing ethical solutions with a clear commitment to safety and local development.

Our Clients


National Oil Companies (NOCs)

Supporting policy alignment, strategic development, and capacity building.

International Oil Companies (IOCs)
Providing technical, legal, and operational advisory to enhance project performance and compliance.

Government Institutions & Regulatory Agencies

Assisting in policy development, regulatory frameworks, and institutional strengthening.

Investors & Financial Institutions
Delivering market intelligence, risk analysis, and project evaluation to support investment decisions.

Service Providers & EPC Contractors
Offering operational consulting and project management support to ensure timely and efficient execution.