Sébastien has spent 20+ 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.