Rosa M. Méndez-Santoni

Ms. López del Valle is an Income Member in the Litigation Practice Group. Her primary practice areas include general civil litigation and arbitration, with an emphasis on Securities Arbitration and Intellectual Property. https://www.mcvpr.com/attorneys-Sonia-Lopez

Verónica M. Torres-Torres is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Verónica M. practices law in San Juan, Puerto Rico Best Lawyers has recognized Verónica M. Torres-Torres since 2025. 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 Verónica M. Torres-Torres is held by other lawyers.

Mr. García-Negrón is a securities, corporate and commercial finance attorney who focuses on providing practical advice and creative solutions to clients in a wide variety of business matters and industries, including domestic and foreign banking and financial services, investment management, hospitality, real estate, education, telecommunications, life sciences, healthcare, aviation and energy. He also counsels clients on estate and trust planning and is very active in the entre...

Mrs. Cartagena maintains a broad litigation and counseling practice representing corporate entities in a wide variety of business disputes. She has significant experience in complex litigation, including consumers’ class actions, insurance litigation, contractual disputes, tax deficiency proceedings and general tort litigation in both state and federal courts. She also has significant experience in administrative forums before multiple agencies and on bids and procurement consulting and...

Jerry Lucas Marrero is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law and Land Use and Zoning Law. Jerry Lucas practices law in San Juan, Puerto Rico Best Lawyers has recognized Jerry Lucas Marrero since 2016. 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 Jerry Lucas Marrero is held by other lawyers.

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.

Mauricio Muñiz-Luciano is a lawyer recognized by Best Lawyers in the practice areas of Competition / Antitrust Law and Litigation. Mauricio practices law in San Juan, Puerto Rico Best Lawyers has recognized Mauricio Muñiz-Luciano since 2021. 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 Mauricio Muñiz-Luciano is held by other lawyers.

Luis R. Pérez Giusti is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Luis R. practices law in San Juan, Puerto Rico Best Lawyers has recognized Luis R. Pérez Giusti since 2024. 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 Luis R. Pérez Giusti is held by other lawyers.

Ms. Amarily Maldonado, Esq. joined Casillas, Santiago & Torres, LLC in April 2018, where she serves as an Attorney in the Corporate and Tax Divisions. Prior to joining the firm, Ms. Maldonado was a Senior Manager in the Tax Advisory Division of a major international accounting firm in Puerto Rico, where she tenured for six years. Ms. Maldonado commenced her career as an Associate in the Corporate Tax practice of one of the Big Four accounting firms and also served as a corporate and tax a...

Carlos E. Serrano is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Carlos E. practices law in San Juan, Puerto Rico Best Lawyers has recognized Carlos E. Serrano since 2015. 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 Carlos E. Serrano is held by other lawyers.