John L. Shapiro

Juan Ramón Cancio-Ortiz is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate and M&A Law and Structured Finance Law. Juan Ramón, 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 Juan Ramón is held by other top lawyers in the same geographic and legal practice area.

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...

Katherine González-Valentín is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law and Litigation. Katherine, who practices law in San Juan, Puerto Rico, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine is held by other top lawyers in the same geographic and legal practice area.

He specializes in cross border transactions, government affairs, and government procurement and contracting. His corporate practice has been focused primarily on insurance and banking regulatory issues and insurance M&A transactions, involving both insurance company and insurance brokerage asset purchase and stock purchase transactions. Mr. Ramirez has also been involved in the organization and authorization of insurers, including the incorporation and organization of the first domestic l...

Ms. Bauzá is a corporate attorney with more than 28 years of experience in the real estate, financing and corporate field. Her practice includes negotiating, structuring, and implementing transactions for a variety of clients, including financial and corporate entities such as commercial banks, private equity funds government financing entities and real estate developers doing business in Puerto Rico. She regularly handles in all aspects of real estate and debt transactions and financi...

Mr. Luis F. Llach-Zúñiga, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, with more than 13 years counseling and representing multinational and local companies on diverse matters, ranging from employment-related concerns and lawsuits, to handling and litigating complex tort, personal injury and premises liability claims before the U.S. District Court for the District of Puerto Rico and local courts. Mr. Luis F. Llach-Zúñiga, Esq. has extensively counseled and successfully rep...

Héctor Lebrón-González is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Héctor, 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 Héctor is held by other top lawyers in the same geographic and legal practice area.

Ms. González-Berríos' practice emphasis is on corporate tax and employee benefits. She has advised taxpayers regarding both tax and tax exemption issues relating to corporate acquisitions, reorganizations and liquidations. Ms. González-Berríos has represented clients in adversarial proceedings, requests for private letter rulings and negotiations of closing agreements before the Puerto Rico Treasury Department. Ms. González-Berríos regularly advises c...

Mr. Juan J. Casillas-Ayala, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, where he specializes in Labor & Employment and Commercial Litigation. He was a shareholder in the Labor and Employment division of a major law firm in Puerto Rico, where he further sharpened his litigation skills during his 11 years tenure at the firm. Prior to this, he served as law clerk at the Court of Appeals with now Supreme Court Justice Rafael Martínez-Torres and subsequently at the Supreme Co...

Marie Carmen Muntaner is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Litigation. Marie Carmen, 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 Marie Carmen is held by other top lawyers in the same geographic and legal practice area.