Augusto José Rosario-Chaves

His primary practice is in the area of bankruptcy, reorganization and creditors’ rights. He has extensive experience in the field and has represented local banks, among other secured and unsecured creditors, in a wide array of bankruptcy and collection litigation. He is a member of the firm’s PROMESA Task Force. He also represents clients in securities arbitration cases before the Financial Industry Regulatory Authority. As member of the firm’s PROMESA Task Force, Mr. Zouair...

Rosa M. Lázaro-San Miguel is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law, Employee Benefits Law and Insurance Law. Rosa M., who practices law in San Juan, Puerto Rico, has been recognized since 2018. 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.

Mr. Cook is known for his practical problem solving approach to complex real estate and financing matters. Throughout his career he has worked on a number of transactions requiring novel solutions, many of which have become industry standards. Over the years he has been involved in all aspects of real estate including: resort development, structuring of acquisitions, the permitting process at the federal and local level, structuring real estate joint ventures, planning timeshare, condominium,...

María Judith (Nani) Marchand-Sánchez is a Capital Member and one of the founders of Ferraiuoli LLC and has vast experience in employment matters. She has successfully litigated before the Courts of First Instance of Puerto Rico and in the Federal Court, as well as government agencies and administrative forums, including participation in mediation and arbitration proceedings. Ms. Marchand has solid experience litigating disputes in areas such as discrimination, harassment, retali...

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...

Manuel handles complex, high-profile disputes. He has successfully tried multiple cases in federal and state courts, as well as in arbitration proceedings and administrative forums. He also has successfully argued or briefed multiple cases before the First Circuit Court of Appeals, the Puerto Rico Supreme Court, and the Puerto Rico Court of Appeals. Manuel regularly lectures on the Federal Rules of Evidence, and has written multiple articles on evidence, and on the Puerto Rico Dealer and Fran...

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...

Pedro Jaime Torres-Díaz is the office managing principal of the Miami, Florida, office and a principal in the San Juan, Puerto Rico, office of Jackson Lewis P.C. He is also a past president of the Hispanic National Bar Association. His practice concentrates on employment discrimination and wage and hour counseling and litigation exclusively on behalf of employers, both in Florida and Puerto Rico. Pedro has extensive trial experience before both federal and local courts and administrati...

Enrique Enríquez is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Enrique, 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 Enrique 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.