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Daniel J. O'Brien

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Daniel J. O'Brien

Daniel J. O'Brien

  • White and Williams LLP
  • One Liberty Place
    1650 Market Street, Suite 1800
    Philadelphia, PA 19103
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Mr. O'Brien is the founder and Chair of the firm's Plaintiff's Personal Injury Practice Group. Mr. O'Brien is a partner at White and Williams LLP and has been with the firm for over 25 years. He has the highest possible rating in the Martindale Hubbell Ratings, and has been selected in a survey of his peers as a "Pennsylvania Super Lawyer" multiple times.

Mr. O'Brien dedicates 100% of his professional time to representing individuals who have been seriously and catastrophically injured in accidents. He has extensive experience handling cases in a wide range of areas including products liability, industrial accidents, premises liability accidents, construction site accidents, sports and recreation accidents, motor vehicle and trucking accidents and dog attacks.

Mr. O'Brien is very active in his community. He serves as the President of the Whitpain Recreation Association, which is a volunteer origination running the sports of baseball, softball, soccer, basketball and field hockey for the children of Whitpain Township, Pennsylvania. He is also a member of the St. Helena Parish CYO Board in Blue Bell, Pennsylvania. Mr. O'Brien also serves as the Athletic Director at the St. Helena School, where both his children attend. Mr. O'Brien also serves on the Legal Committee of USA Triathlon, the national governing body for the sports of Triathlon and Duathlon, which is responsible for sending athletes to the Olympic games to compete in the sport of Triathlon. Mr. O'Brien is an active triathlete and cyclist and frequently represents individuals who have been injured in racing and training accidents due to negligence or product failures.

Mr. O'Brien also plays guitar, mandolin and banjo in a country band he formed a few years ago with several of his high school friends.

Mr. O'Brien received his B.A. in 1980 from Montclair State College and his Law Degree in 1984 from Villanova University School of Law. At Law School, he served as an editor of the Villanova Law Review. He is licensed to practice in the State and Federal Courts in both Pennsylvania and New Jersey. Mr. O'Brien has also been admitted to handle cases in several other states throughout the United States.

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Our Offices

  • Philadelphia (*Primary)
  • 1650 Market Street, Suite 1800
    Philadelphia, PA 19103
  • Phone: (215) 864-7168
  • Toll Free: (877) 944-8396
  • Directions
  • Cherry Hill
  • 457 Haddonfield Road
    Cherry Hill, NJ 08002
  • Phone: (856) 317-3600
  • Toll Free: (877) 944-8396
  • Directions