Sébastien has spent 25+ years assisting multinational companies including 16+ years leading PwC in Equatorial Guinea (after spending several years in other African countries). He also assisted various clients in several other African countries (including OHADA countries, South Africa, Mauritius, etc.). He is a member of the AIEN.

He has assisted many major and junior energy companies throughout Africa (Exxon Mobil, Hess, Chevron, Marathon, Noble, Ophir, Glencore, CNOOC, PetroSA, Tullow, Weatherford, Baker Hughes, Schlumberger, SBM, etc.) on a range of issues, such as drafting and negotiation of Oil & Gas agreements and transactions, tax planning, assistance during tax audits, analysis, registration of companies, the introduction of national partners, etc.

Javier has 15+ years of experience within the Oil & Gas sector.

He has assisted the main Oil & Gas operators and subcontractors in the Industry (such as Tullow Oil, Gunvor, CHC Helicopter, Tidewater, Baker Hughes, Ophir, Murphy Oil, Seacor, REPASA, GE Offshore Services, Halliburton, etc.) and specializes in the following areas:

Assistance in tax audits, tax planning, corporate restructuring and due diligence, negotiation and amendment of Contracts (PSCs, Umbrella Agreements), settlement of disputes, registration of companies, the introduction of national partners.

Cláudia has 15+ years of experience within International Law.

She has assisted many companies throughout Asia (China, Macau, Hong Kong) and Africa (Angola, São Tomé and Príncipe, Mozambique, Equatorial Guinea, and Gabon) on a whole range of issues such as drafting, negotiation, and amendment of Contracts, analysis, registration of companies, corporate restructuring, and due diligence, the introduction of national partners, labour matters, insurance, etc.

Cláudia also has assisted Oil & Gas subcontractors in the Industry (Wellgear, Medilink International, TechnipFMC, CHC Helicopter, ABLE Instruments, Shermco Industries, etc.). Cláudia works in Portuguese, Spanish, French and English. She has an Accounting Certificate of the Finance Institution Centre in Spain and has completed postgraduate studies in Taxation (PIT, CIT, and VAT) at Universidade Europeia.