Tathiana Mendes Antonio is a lawyer admitted to the Luanda Bar and serves as Senior Legal Advisor at Cabinet Gomes & Associés. She has more than fifteen years of experience in legal advisory, international contract negotiation and management, corporate governance, regulatory compliance and legal risk management.

Her practice focuses on business law, international commercial contracts, energy and hydrocarbons law, OHADA law, corporate governance, compliance, anti-money laundering regulations, and dispute prevention and resolution.

Prior to joining Cabinet Gomes & Associés, she held senior legal and contractual positions with international companies including TotalEnergies EP Congo, Total EP Angola, Maersk Oil and Sonangol. She also practised as a lawyer at Cabinet Maître Joaquim Mangueira in Luanda.
She advises national and international clients on complex contract negotiations, legal due diligence, compliance matters, corporate governance, investment projects and dispute management
She is fluent in French and Portuguese, has professional proficiency in English, and working knowledge of Italian.