Marcos Rivera A.

Mr. Marqués-Díaz chairs McConnell Valdés' Litigation Practice Group. His practice includes general civil and commercial litigation before the Puerto Rico and federal courts, concentrating in local appellate practice, constitutional, tax, consumer class action, administrative, insurance - including healthcare insurance litigation - and land use litigation. Mr. Marqués-Díaz has a solid constitutional law practice. He has argued many cases involving constitutio...

His primary practice is in the area of bankruptcy, reorganization and creditors’ rights. He has extensive experience in the field and has represented local banks, among other secured and unsecured creditors, in a wide array of bankruptcy and collection litigation. He is a member of the firm’s PROMESA Task Force. He also represents clients in securities arbitration cases before the Financial Industry Regulatory Authority. As member of the firm’s PROMESA Task Force, Mr. Zouair...

Alexandra C. Casellas-Cabrera is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Alexandra C., who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexandra C. is held by other top lawyers in the same geographic and legal practice area.

Alberto J. Bayouth-Montes is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Alberto J., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alberto J. is held by other top lawyers in the same geographic and legal practice area.

Alba I. Joubert Pereira is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alba I., who practices law in San Juan, Puerto Rico, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alba I. is held by other top lawyers in the same geographic and legal practice area.

Eduardo Tamargo-Motroni is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Eduardo, who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo is held by other top lawyers in the same geographic and legal practice area.

Mr. García-Díaz has over 20 years of experience in the private practice, providing counseling to clients in regulatory and compliance matters related to major federal and local environmental laws, such as CERCLA (Superfund), RCRA, Clean Air Act, Clean Water Act and the Oil Pollution Act. He represents clients before local and federal agencies with jurisdiction over Puerto Rico environmental matters, such as the United States Environmental Protection Agency, the United States Arm...

Víctor M. Rodríguez-Reyes is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Víctor M., who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Víctor M. is held by other top lawyers in the same geographic and legal practice area.

Antonio L. Collazo-Bennazar is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Land Use and Zoning Law. Antonio L., who practices law in San Juan, Puerto Rico, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antonio L. is held by other top lawyers in the same geographic and legal practice area.

Mrs. Carballo Chairs McConnell Valdés' Tax Practice Group. She focuses her practice on complex corporate tax matters, including startup operations, inbound and outbound corporate reorganizations, acquisitions, financings, exit strategies, legislative affairs, tax incentives and exemptions, and competent authority proceedings between the Puerto Rico Treasury Department and the Internal Revenue Service. A substantial part of her practice is devoted to tax minimization strategies through ...