Daniel Petrocelli is a partner in O’Melveny’s Century City office and Chair of the Business Trial and Litigation practice. Dan has a national trial practice representing clients in major litigation in a wide variety of areas, including sports, entertainment, intellectual property, unfair competition, business torts, securities, employment law, and criminal defense.

Legal 500 ranks Dan Petrocelli as one of the country's top 10 trial lawyers and selected him as the winner of its inaugural “Leading Trial Lawyer of the Year” honor in 2014, describing him as an "excellent, excellent trial lawyer" in a "whirlwind year which saw him try a slew of different matters back-to-back across various industries." Legal 500 quotes a source describing Dan as “absolutely outstanding in court.” Chambers USA ranks Dan as a leading lawyer and quotes sources calling him “just brilliant” and “a great trial lawyer,” who is “nationally renowned for acting on large-scale, complex litigation.” Dan has been featured on the cover of Super Lawyers Magazine, in Variety as one of the industry’s “50 Game-Changing Entertainment Attorneys,” and by Law360 as a “Media & Entertainment MVP.” Dan is a frequent national commentator on trials and other legal issues, as well as a featured speaker on legal issues at business groups, bar and judges associations, and citizens groups.