Michael J. O'Brien

Brett Zeitlin is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Brett, who practices law in Philadelphia, Pennsylvania, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brett is held by other top lawyers in the same geographic and legal practice area.

Patrick W. Kenny is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Patrick W., who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick W. is held by other top lawyers in the same geographic and legal practice area.

Bryon R. Kaster is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law and Personal Injury Litigation - Defendants. Bryon R., who practices law in Wayne, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bryon R. is held by other top lawyers in the same geographic and legal practice area.

In more than four decades of practicing personal injury law, Thomas R. Kline has forged an incomparable record of courtroom victories, some with remarkable results against seemingly incredible odds. Described by The Philadelphia Inquirer as "one of the nation's most prominent trial lawyers," Kline has achieved hundreds of seven- and eight-figure jury verdicts and settlements. In 2019 alone he achieved jury verdicts of $41 million, $80 million and $8 billion in medical device cases and a presc...

Employee benefits lawyer, Susan Bahme Blumenfeld, counsels public and private-sector single and multi-employer pension and welfare funds on a full range of comprehensive benefits and tax issues. Susan advises plan administrators and trustees on the day-to-day administration and operation of pension and welfare funds, including the requirements imposed on employee benefit plans by the Internal Revenue Code and ERISA and other federal and state laws. She works with welfare funds regarding opera...

Shelley R. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Shelley R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shelley R. is held by other top lawyers in the same geographic and legal practice area.

Greg Mast specializes in complex insurance coverage and business litigation for domestic and international insurers. Having spent time as both a law clerk and in-house counsel, Greg has earned a reputation as a respected advocate inside and outside of the courtroom. In addition to his nationwide practice, Greg also heads up Fields Howell’s Philadelphia office. As a foundation for his legal practice, Greg spent two years working in the U.S. House of Representatives, where his legislative...

Margaret A. Joy is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Margaret A., who practices law in West Chester, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret A. is held by other top lawyers in the same geographic and legal practice area.

Priscilla E. Jimenez joined Kline & Specter after gaining experience with a federal civil rights office, a Philadelphia hospital and another city law firm while also being an active leader in the Hispanic legal community. She is also an accomplished violinist. Jimenez earned her undergraduate degree from Gordon College in Massachusetts, where she was the recipient of the A.J. Gordon Scholarship, and her law degree from the Thomas R. Kline School of Law at Drexel University. She earned sev...

Mark Dischell is known not only for his success with his clients, but also for the long-standing relationships he maintains with the families he helps. He has authored and co-authored numerous articles such as “Joint Custody-A Legal Overview,” “Religion and Custody Cases,” The Pennsylvania Marital Settlement Agreement Handbook, Parenting Coordination in PA: an Update on an Evolving Topic; as well as provided numerous course material for the Pennsylvania Bar Institute. ...