David M. Tener

Michael McKenna has been a partner in Margolis Edelstein since 1983 and has served as the firm’s Managing Partner since 1995. Before joining Margolis Edelstein in 1982, Michael was Assistant General Counsel for the Pennsylvania Manufacturers’ Association Insurance Company. He handles files, publishes, and speaks on a broad array of insurance and tort topics. As Managing Partner, Michael oversees all operations in a firm which has grown during his tenure from two to nine offices. M...

For more than 30 years, co-founding partner Ezra Wohlgelernter has maintained a diverse practice portfolio including a successful history of motor vehicle and truck litigation, premises liability claims, medical negligence litigation, and significant personal injury claims. Ezra has represented victims of unsafe working environments, drunk driving and trucking accidents, operating room neglect, and civil rights violations. Ezra’s robust legal experience spans a broad spectrum of areas a...

Kayci D. Petenko is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Kayci D., who practices law in Philadelphia, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kayci D. is held by other top lawyers in the same geographic and legal practice area.

Stephen J. Olsen is a member of Gawthrop Greenwood’s Trusts & Estates Department, practicing in the areas of Estate, Trust Administration, Estate Planning Taxation, and Business Transactions. He is also one of the few Pennsylvania attorneys in private practice with a wide breadth of experience supporting the legal needs of medical marijuana operators. Recently Stephen’s Cannabis Law practice has expanded to provide support to medical marijuana permittees in operation after Pen...

Robert S. Hawkins represents employers and rail carriers in labor and employment law matters, especially those involving the transportation, manufacturing, and construction industries. He represents clients in labor negotiations, arbitration, litigation, counseling, and both regulated and non-regulated transactions. Bob's experience includes matters involving the Railway Labor Act (RLA), the National Labor Relations Act (NLRA), the Interstate Commerce Commission Termination Act, the Federal R...

Carter N. Williamson is a construction practice attorney who has represented construction industry clients including contractors, subcontractors, suppliers, and owners. He has a background in litigating and resolving legal construction matters from routine common disputes to complex, multi-party litigation. He has resolved construction matters through litigation, arbitration and mediation in the five-county Philadelphia area, the United States District Court for the Eastern District of Pennsy...

Danielle Dietrich is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Health Care Law. Danielle, who practices law in King of Prussia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle is held by other top lawyers in the same geographic and legal practice area.

Allison M. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Allison M., 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 Allison M. is held by other top lawyers in the same geographic and legal practice area.

Melissa Grossman is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa, 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 Melissa is held by other top lawyers in the same geographic and legal practice area.

Annually ranked as one of the Top 10 lawyers in Pennsylvania in the SuperLawyers voting, Tim Lawn is recognized as one of the leading trial attorneys in the state. He has spent more than 30 years litigating complex injury and death cases throughout the Commonwealth. Tim was selected as the “Lawyer of the Year” for Personal Injury Litigation in Philadelphia by U.S. News & World Report’s publication Best Lawyers in America in 2021. He has secured numerous multimillion-doll...