Siciliano Lawyer Society

Our Attorneys

Andre Luiz Siciliano

André Luiz Siciliano

Founding partner

André Luiz Siciliano is a distinguished international lawyer with extensive expertise in international law, contracts, corporate law, and estate planning. For the past decade, he has led Siciliano Sociedade de Advogados, a prestigious law firm headquartered in São Paulo, Brazil, with a strategic presence across Europe. Based in Spain, he provides high-level legal counsel to clients in Brazil and internationally, advising corporations and individuals on intricate matters of private international law.

He holds a PhD in International Law from the University of São Paulo (USP), a Master’s in International Relations from the same institution, and a Law degree from PUC-SP. He further honed his strategic and geopolitical acumen by completing a Master’s in International Strategic Analysis and Geopolitics at the University of Madrid (UDIMA). As a visiting researcher at the Max Planck Institute (Germany), he contributed to advanced legal research and remains actively engaged in international academic networks such as CINETS and the International Migration Academic Network.

With a reputation for excellence, he provides insightful legal solutions to multinational corporations and high-profile clients, instilling confidence and delivering results in complex global scenarios.

Aline Trombelli Oliveira

Aline Trombelli Oliveira

Founding partner

Aline Trombelli Oliveira is a highly skilled lawyer specialising in Family and Succession Law, including international successions, Real Estate Law, and Strategic Civil and Corporate Litigation. With extensive experience in high-level legal practice, she worked at renowned boutique law firms before becoming a partner at Siciliano Sociedade de Advogados, where she leads the departments within her areas of expertise.

She holds a Law degree from PUC-SP and pursued advanced studies in Civil Procedure Law and Family Law, further enhancing her expertise in Business Law and Civil Procedure through prestigious institutions such as FGV and USP. She obtained a Master’s in Legal Culture from the University of Girona (Spain) and the University of Genoa (Italy) and is also a specialist in International Family and Succession Law from Carlos III University of Madrid (Spain).

Renowned for her strategic yet sensitive approach to family and asset-related legal matters, she provides top-tier legal counsel to clients in Brazil and across Europe, delivering effective and secure solutions in complex legal scenarios.

Jessica Tiemi Ito Ishikawa Gussoni

Jéssica Tiemi Ito Ishikawa Gussoni

Partner

Graduated in Law from the Metropolitanas Unidas University (2013), she specialized in Family Law and Successions at the Pontifical Catholic University of São Paulo. She worked in renowned boutique offices throughout her career. She serves the areas of family, real estate, strategic civil litigation, and business.