Alice W. Ballard

After nearly thirty (30) years of distinguished full-time practice in the area of Construction Law, Margaret Underwood is now Of Counsel to Horn Williamson. During her full-time practice of law, Ms. Underwood provided high-level legal services to local, national, and international owners, contractors, and subcontractors on many of the largest and most prestigious construction projects located in and around the Philadelphia Area and as far away as Europe and the Marshall Islands. Her extensive...

Leah Cilo is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Leah, who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leah is held by other top lawyers in the same geographic and legal practice area.

John J. McAleese III is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental. John J., who practices law in Radnor, Pennsylvania, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. 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.

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...

Rob is a trial attorney who concentrates his practice on complex civil litigation, ranging from commercial disputes to defending against catastrophic personal injury claims. He has counseled companies and professionals across a variety of industries, including consumer and commercial product manufacturers, construction, hospitality, insurance, and governmental transportation and maritime agencies. He is regularly called upon by sophisticated clients to handle all phases of complex litigation....

Jeffrey Reiff is a nationally recognized Philadelphia personal injury lawyer with nearly four decades of experience representing injured individuals and families. Based in Philadelphia, Pennsylvania, he serves clients through The Reiff Law Firm in complex personal injury and wrongful death matters. Throughout his career, Mr. Reiff has focused on helping people navigate loss, recovery, and profound life changes following catastrophic events. He approaches each case with an understanding that e...

Matthew H. Kamens joined the firm’s Philadelphia office in April 2009 as senior counsel in the Business Law Department. A member of the Private Client Services Group, Matthew concentrates his practice in trusts, estate and business planning matters, as well as complex estate administration. Matthew has significant knowledge of life insurance and its structuring in estate planning contexts and also serves as a trustee of a number of significant trusts holding liquid and nonliquid assets ...

Simon T. Haileab is an accomplished and skilled trial lawyer at Wapner Newman, P.C. In courtrooms and communities across Pennsylvania and New Jersey he fights to ensure injured victims gets a fair shake. Mr. Haileab is a well-respected member of his profession who is known for being tenacious while advocating for his clients in all personal injury matters. He has garnered recognition for his advocacy skills from his opponents, the judiciary, and most importantly, the countless clients he has ...

David J. Colleran is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. David J., who practices law in Philadelphia, Pennsylvania, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.