Arnaldo J. Pacheco


Personal Injury


Arnaldo J. Pacheco is an associate at Sarno da Costa D’Aniello Maceri LLC. During law school, Arnaldo was highly involved in trial court competitions, which played a crucial part in developing his trial court skills. After finishing his education, Arnaldo joined one of the top medical malpractice firms in Puerto Rico, focusing his work primarily on defending medical malpractice claims against doctors and hospitals.

A native of Trujillo Alto, Puerto Rico, Arnaldo has lived in Morristown, New Jersey, since 2017. Arnaldo leads a very active lifestyle and has played for four years at the NCAA Division I level for Lehigh University. Upon graduation, he began to play golf, tennis, and pickleball as hobbies. Recently, Arnaldo has taken an interest in completing triathlons and long-distance running. When he is not working or training, Arnaldo enjoys exploring new and different styles of restaurants, going to movie theaters, visiting museums, practicing yoga, and hiking.

Arnaldo’s interest in maintaining an active lifestyle has fed his passion for his clients, and he is committed to obtaining justice for those with permanent and/or life-threatening injuries and disabilities due to someone else’s negligence.


Bar Admissions

  • New Jersey
  • Federal District Court of the District of Puerto Rico
  • Commonwealth of Puerto Rico


  • Interamerican University School of Law, Puerto Rico, J.D., 2014
  • Lehigh University College of Business, B.A., Marketing, 2011


  • New Jersey State Bar Association
  • National Association for Justice
  • Hispanic Bar Association of New Jersey

Honors & Accolades

Arnaldo has been recognized by the following:

  • The Best Lawyers in America® (Woodward/White, Inc.)
    • Ones to Watch, Medical Malpractice Law – Plaintiffs: 2023-2024
  • Thomson Reuters, Super Lawyers®
    • New Jersey Rising Stars: 2022-2023

No aspect of this or any advertisement has been approved by the Supreme Court of New Jersey. A description of the award methodologies can be found here.