Edgardo Colón-Arrarás

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...

Anthony O. Maceira Zayas, Esq. , is the founder of MZLS LLC in San Juan, Puerto Rico. He has more than a decade of experience advising clients on government services, infrastructure projects, administrative law, government affairs, and business matters. Since 2010, Anthony has contributed to policy initiatives and infrastructure projects in Puerto Rico, working with public- and private-sector participants on negotiations, regulatory matters, and multimillion-dollar agreements. His practice in...

Her main areas of practice are corporate and individual income taxes. Prior to joining McConnell Valdés, she was a Tax Counsel with the Puerto Rico Treasury Department, where she reviewed private letter rulings concerning a broad range of issues including corporate and flow-through entities taxation, tax reorganizations, sales and use tax and other tax matters.

Luis A. Oliver-Fraticelli is Co-chair of the Litigation Division at Adsuar, Muñiz, Goyco, Seda & Perez-Ochoa P.S.C. Mr. Oliver handles complex civil litigation before the U.S. District Court for the District of Puerto Rico and the courts of the Commonwealth of Puerto Rico, and has represented parties in arbitration proceedings under the Commercial, Construction and International Rules of the American Arbitration Association. He frequently handles appellate matters before the U.S. C...

Rafael Hernández-Miranda is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Rafael practices law in San Juan, Puerto Rico Best Lawyers has recognized Rafael Hernández-Miranda since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Rafael Hernández-Miranda is held by other lawyers.

Roberto Quiñones-Rivera, a graduate of Yale Law School, started his litigation practice with Paul, Weiss, Rifkind, Wharton & Garrison in New York and Choate, Hall & Stewart in Boston. He has over 30 years of experience in complex commercial litigation and arbitration and in legal counseling. Mr. Quiñones has handled major business cases in a wide range of areas, including securities, antitrust, RICO, intellectual property, distribution and ERISA. Mr. Quiñones has ...

Alejandro J. Cepeda-Díaz is a lawyer recognized by Best Lawyers in the practice area of Appellate Practice. Alejandro J. practices law in San Juan, Puerto Rico Best Lawyers has recognized Alejandro J. Cepeda-Díaz since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alejandro J. Cepeda-Díaz is held by other lawyers.

José A. Díaz-Brugueras is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. José A. practices law in San Juan, Puerto Rico Best Lawyers has recognized José A. Díaz-Brugueras since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which José A. Díaz-Brugueras is held by other lawyers.

Odemaris Chacón Varona is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Insurance Law, Labor and Employment Law, Medical Malpractice Litigation and Professional Malpractice Litigation. Odemaris practices law in San Juan, Puerto Rico. Odemaris Chacón Varona is a Senior Partner at Estrella, LLC and a member of its Executive Committee. She joined Estrella, LLC in September of 2000. Before graduating from law school, Odemaris served as a law clerk in ...

Ubaldo M. Fernández-Barrera is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Ubaldo M. practices law in San Juan, Puerto Rico Best Lawyers has recognized Ubaldo M. Fernández-Barrera since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ubaldo M. Fernández-Barrera is held by other lawyers.