Petrocelli Daniel

Daniel S. Petrocelli — Public Profile

Full name: Daniel S. Petrocelli

Born: August 15, 1953 • East Orange, New Jersey, United States

Biography

Daniel S. Petrocelli is an American trial lawyer and a senior partner at O'Melveny & Myers LLP. He is widely recognized for leading and participating in high-stakes civil, commercial, and intellectual property litigation across federal and state courts in the United States. Petrocelli has been noted for his courtroom strategy, appellate work, and leadership within the firm, including roles that oversee the firm's trial practice.

Notable matters

• Led the defense in the O.J. Simpson civil wrongful-death case (Goldman v. Simpson) in the late 1990s, a high-profile matter that drew extensive national media attention and showcased Petrocelli's trial advocacy and management of complex litigation.
• Represented a range of corporate clients in major litigation, including complex commercial disputes, intellectual property matters, and high-stakes civil matters across industries such as technology, media, and financial services.

News & Media

Petrocelli has been profiled and cited in major legal publications for his work as a trial lawyer and for leadership roles within O'Melveny & Myers. He has contributed to discussions on trial strategy and high-profile litigation in media outlets and legal journals.

Recent projects

In recent years, Petrocelli has continued to lead complex civil and commercial litigation for clients in technology, media, and financial services, focusing on high-stakes trials, settlements, and appellate work. Specific client names and case details may be confidential or not publicly disclosed.

Public profiles & social media

Public social media profiles for Petrocelli are not prominently listed in official firm pages or widely publicized personal accounts. Professional updates about his work are typically shared through O'Melveny & Myers firm communications, legal industry articles, and public interviews or appearances.