Nathalia S. Marrero Méndez

Practice Areas

  • Civil Litigation
  • Labor and Employment


  • Commonwealth of Puerto Rico


  • Bachelor of Arts, Double Majored in Political Science and Human Resources Management, from the University of Puerto Rico Rio Piedras Campus, Magna Cum Laude (2018)
  • Juris Doctor, from the University of Puerto Rico School of Law, Magna Cum Laude (2022)

Ms. Nathalia S. Marrero Méndez, Esq. joined Casillas, Santiago & Torres, LLC in October 2022, where she serves as an Attorney in the Litigation and Labor and Employment Divisions.

Prior to obtaining her law degree, Ms. Marrero Méndez served as a Summer Law Clerk to the Hon. Judge Gerardo Flores García in the Court of Appeals of Puerto Rico, and as a Legal Intern at the Department of Economic Development and Commerce where she assisted in civil and administrative litigation cases and in its Incentives Department.

Ms. Marrero Méndez obtained her law degree from the University of Puerto Rico School of Law. During her law school years, she was the Vice-President of the Litigation Association, Associate Editor of the Business Law Journal, and a member of the Tax Pro Bono Program. Ms. Marrero Méndez also participated as a student attorney in the Sexual Orientation and Gender Identity Discrimination Legal Aid Clinic of the School.