The Firm's Professionals

Dr. Javier Rodrigo Balbuena Estigarribia is the founder and principal of Estudio Balbuena, an Asunción-based law firm specialising in Administrative Law, economic regulation, competition regulation, international trade and compliance.

With a doctorate and master's degree in Administrative Law, a law degree and a degree in Business Administration, his career combines high-level institutional experience, strategic corporate practice and academic work specialising in Public Law and the regulation of complex economic activities.

Dr. Balbuena's professional approach is characterised by a strategic and preventive perspective on the law, aimed at ensuring legal certainty, regulatory compliance and institutional efficiency in dynamic, closely supervised environments.

In academia, he teaches Administrative Law, Constitutional Law and Public International Law at university level, complementing his practice with specialised legal scholarship and participation as an international speaker in the Americas and Europe.

His profile combines technical rigour, institutional leadership and business understanding, positioning Estudio Balbuena as a reference firm for strategic legal advice in regulated sectors and operations with international reach.

Lilian Zimmerman Ocampos holds a degree in International Trade and has specialised experience in international negotiations, logistics coordination and customs management, combining technical and operational expertise in foreign trade environments.

She has a strong track record in planning and implementing import and export operations for both public sector bodies and private companies, ensuring regulatory compliance, operational efficiency and effective coordination between participants in the logistics chain.

She has participated in operations involving State offices and private companies, facilitating the logistics and documentary structuring of projects with international components.

She also has training in advising on and drafting international contracts, providing technical support for the legal structuring of cross-border commercial transactions and supply agreements.

Her profile combines regulatory knowledge, operational expertise and a strategic understanding of international trade, contributing to the effective integration of regulation, logistics and business negotiation.

Javier Martín Balbuena Zimmermann is a member of the Estudio Balbuena team, working in compliance, regulatory management and business organisation.

His experience has focused particularly on supporting companies in the gaming sector and other regulated activities, contributing to the development, implementation and monitoring of risk-prevention structures, compliance documentation, internal procedures and control systems.

He currently serves as a Compliance Officer and has participated in projects involving alignment with regulatory requirements, anti-money laundering, counter-terrorist financing and counter-proliferation financing, as well as documentary and administrative organisation.

He complements his profile with English language training and experience, teaching and the development of his own projects, alongside a strong interest in applying technological tools to professional and business management.