John R. O’Connor

Her main areas of practice are tax incentives, employee benefits, corporate and individual income taxes. Prior to joining McConnell Valdés, Ms. González-Ibarría was a Legal Counsel with the Internal Revenue Area of the Puerto Rico Treasury Department. While with the Puerto Rico Treasury Department, she reviewed closing agreements and private letter rulings concerning a broad range of issues including general income taxation, withholding, corporate reorganizations and empl...

Carla García-Benítez is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation. Carla, who practices law in San Juan, Puerto Rico, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carla is held by other top lawyers in the same geographic and legal practice area.

Carlos E. George is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Carlos E., 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 Carlos E. is held by other top lawyers in the same geographic and legal practice area.

Mr. Freese-Souffront is Vice-Chair of the Litigation Prectice Group. He is a civil and commercial litigator who handles a wide range of complex disputes. His practice focuses on maritime and admiralty law matters, high profile commercial construction disputes, distribution/franchise disputes, insurance litigation, and lender liability cases. His other practice areas include the defense of personal injury and wrongful death claims, and handling termination or non-renewal disputes under The Pet...

Christopher A. Dávila-Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Christopher A., 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 Christopher A. is held by other top lawyers in the same geographic and legal practice area.

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...

Mariela Rexach is an experienced federal litigator with outstanding command of federal civil procedure and evidence, who practices in all areas of employment law. She has actively participated in several major cases before the U. S. District Court for the District of Puerto Rico and the U. S. Court of Appeals for the First Circuit. She has over 50 published federal cases and an outstanding summary judgment record. She has also successfully tried numerous cases before Puerto Rico courts and re...

Rosa M. González-Lugo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law, Employee Benefits Law and Tax Law. Rosa M., who practices law in San Juan, Puerto Rico, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rosa M. is held by other top lawyers in the same geographic and legal practice area.

Sonia Colón is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law and Litigation. Sonia, 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 Sonia is held by other top lawyers in the same geographic and legal practice area.

Mr. Mayoral acts as lead counsel in a wide range of banking, securities, and insurance acquisitions, and on regulatory applications to federal and Puerto Rico banking agencies. His practice is concentrated in banking, financial, and insurance regulatory matters, as an advisor for banks and other financial institutions (including international banking entities doing business in Puerto Rico), and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate t...