Attorneys & Professionals

Our people are our strength.
Our attorneys and professionals always put the client first and utilize their skills to approach the law from a multidisciplinary perspective with the direct interaction that only a boutique firm like Mercado & Rengel can guarantee.

American Lawyers In Madrid

Alexandra I. Rengel

Founding Partner, Litigator

Alexandra Rengel, LLM/JSD is one of the founding members of Mercado & Rengel. Attorney Rengel is a lawyer with over 20 years of experience handling cases in both State and Federal Courts. Her vast trial experience includes cases of great complexity, ranging from multi-defendant financial fraud cases to murder in the first degree.

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Ivan E. Mercado

Founding Partner, Litigator

Ivan Mercado has been in private practice since 1996. He currently focuses his practice on corporate immigration, as well as international commercial and criminal cases. Mr. Mercado a cts as a consultant to companies and individuals interested in investing in the United States, and as a legal advisor on international legal matters.

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Romina Pereyra


Romina Pereyra has been Of Counsel to Mercado & Rengel since 2012. She is an outstanding Spanish lawyer who handles matters throughout Spain related to Real Estate law as well as corporate immigration.

Adolfo A. Carvajal


Adolfo Alonso Carvajal has been Of Counsel with Mercado and Rengel since 2012. With 30 years dedicated to the practice of law, attorney Alonso Carvajal focuses much of his practice on family and domestic issues. He is a recognized expert on child abduction and Hague Convention issues.

Paloma Ortega Roman


Paloma Ortega Roman is Of Counsel with Mercado & Rengel. Attorney Ortega Roman is a Spanish lawyer with almost 35 years of experience in Spanish Immigration and Administrative Law.

Alberto Gallardo


Mr. Gallardo is an experienced tax and accounting professional with a demonstrated history of working in the various industries with more than 17 years of experience.

Monica Gadaleta

Relocation Specialist

Monica Gadaleta is a relocation specialist who provides assistance to those emigrating to the United States. Relocating to another country is a process that requires knowledge, skills, and a mindset to be effective and inclusive when living, communicating, and working in a new culture.

Sabrina Fernandez

Legal Assistant

Sabrina Fernandez Rivera has been with Mercado and Rengel since 2020 and works under the supervision of the attorneys at the firm. Ms. Fernandez Rivera assists in the preparation of immigration applications and other legal documents, maintains general contact with the clients, and is a key member of our team.