Jairo "Jay" Mellado-Villarreal

Marta S. Ramírez-Isern is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Real Estate Law. Marta S., 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 Marta S. is held by other top lawyers in the same geographic and legal practice area.

Mr. Miguel A. Santiago. Esq. is an Attorney at Casillas, Santiago & Torres, LLC. Prior to founding CST, Mr. Santiago was a partner at one of Puerto Rico’s largest and oldest law firms where he spent close to ten years counseling in the corporate-tax area including corporate, tax, employee benefits, real estate and employment law. Before such tenure, he was a senior tax consultant at Ernst & Young, LLP. Mr. Santiago counsels employers in all aspects of Corporate, Tax, Employee Be...

Albéniz Couret Fuentes is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Albéniz, 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 Albéniz is held by other top lawyers in the same geographic and legal practice area.

Juan A. Aquino is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate and M&A Law and Real Estate Law. Juan A., who practices law in San Juan, Puerto Rico, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juan A. is held by other top lawyers in the same geographic and legal practice area.

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.

Ms. Szendrey-Ramos concentrates her practice in trademark prosecution, intellectual property counseling, and trusts and estate planning. Prior to joining McConnell Valdés, Ms. Szendrey-Ramos was a shareholder at a major San Juan law firm, where she helped create and manage one of Puerto Rico’s preeminent intellectual property law practice groups. She has advised clients in multiple and complex trademark, copyright, trade secret, moral rights of authors, and right of publicity iss...

Stephanie Vilella is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Stephanie, 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 Stephanie is held by other top lawyers in the same geographic and legal practice area.

Mr. Zayas-Marxuach has developed a commercial and general civil litigation practice in federal and state courts, with emphasis on distribution and franchising, insurance litigation, the Racketeer Influenced and Corrupt Organizations (RICO) Act, class actions and product liability, particularly prescription drug litigation. Additionally, Mr. Zayas-Marxuach regularly provides litigation and counseling services to individuals in estate and probate matters.

Boris Jaskille is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Boris, who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Boris is held by other top lawyers in the same geographic and legal practice area.

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...