
Diaz Reus International Law Firm has significant experience in advising on a broad spectrum of white-collar criminal matters, including bribery, corruption, money laundering, and fraud. The firm is led by founding partners Michael Diaz Jr., a respected trial lawyer, and Robert Targ , who is particularly known for his work in health care fraud and asset seizures. Greg Ahlgren , based in Houston, is recognized for his expertise in cross-border matters, regularly providing counsel on regulatory compliance projects across various jurisdictions. Key team members also include Javier Coronado Diaz and Marta Colomar-Garcia, both certified anti-money laundering specialists. All lawyers mentioned are located in Miami unless stated otherwise.
Legal 500 Editorial commentary
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Testimonials
Collated independently by Legal 500 research team.
- "Michael Diaz cares about each and every single one of his cases and employees. It’s very transparent in the way he handles his work and I trust him with my life. He’s very talented and knowledgeable at what he does and does everything in his power to get his clients the best potential outcome."
- "Most attorneys just tell you what you want to hear to get your business; this firm is not like the rest and is not just a transactional relationship. I will use DRT for many years to come."
- "These attorneys are very responsive to all client inquiries. They also provide superior legal services and outstanding legal results. Their innovative approach to staffing, technology and collaborative services with outside counsel and inhouse general counsel is right up with the best practices of any law firms we work with."
- "Interest in going a step further always. very studious and ethical. Ample knowledge of the legal industry. Extremely capable."
- "This practice stands out due to its commitment to personalized service and exceptional expertise. Potential clients will appreciate the team's deep knowledge of both local and international markets, ensuring that they are well-informed and equipped to navigate complex issues effectively."
- "The team's strengths lie in their extensive experience and specialized skill sets, allowing them to provide tailored solutions that meet the unique needs of each client. This level of expertise not only fosters trust but also positions the practice as a leader in its field, setting it apart from competitors."
- "The individual I work with truly stand out because of his exceptional communication skills and his ability to break down complex legal concepts into understandable terms. Moreover, his international orientation is another key quality that sets him apart. His global perspective allows him to provide tailored services that consider diverse legal systems."
Key clients
- Nodus International Bank
- PDVSA ad hoc
Work highlights
- Represenitng the liquidators of Nodus International Bank, and the Puerto Rican Office of the Commissioner of Financial Institutions (OCIF) to recover $27 million in assets and customer deposits looted by the bank's owners.
- Represente da former PDVSA oil trade manager, in a multi-million dollar FCPA investigation by the Eastern District of New York and the DOJ's FCPA Division.
- Representing a Guatemalan congressman sanctioned by OFAC under the Global Magnitsky Act, in legal efforts seeking reconsideration of his designation on the List of Specially Designated Nationals.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Other key lawyers
Greg Ahlgren ; Javier Coronado Diaz; Marta Colomar-Garcia