Brandon M. Riley

Bryan is a partner at the firm and has experience in counseling and representing clients on a range of environmental and energy matters. Bryan’s practice has focused on regulatory compliance and transactional matters, particularly in the areas of air and water quality, redevelopment, sustainability, permitting, energy efficiency and renewable energy development. Over the last several years, Bryan has primarily worked with complex regulated industries, notably including petroleum refinin...

Jennifer M. Horn is an accomplished attorney with comprehensive experience in client representation and litigation. She has built her practice representing owners, construction managers, contractors, subcontractors, suppliers, sureties, and homeowners in matters arising from public and private construction projects. Jennifer leads the Horn Williamson Construction Practice Group. She has extensive skill representing clients with delay claims and routinely works with expert witnesses to prosecu...

Named “Lawyer of the Year 2022” by Best Lawyers in America ® and chair of Gawthrop Greenwood’s management committee, Stacey L. Fuller practices in the areas of Municipal Law, Land Use Law, Education Law, and Special Education Law. Stacey represents municipalities, townships, boroughs, planning commissions, zoning hearing boards and other governmental entities, as well as individual developers and residents, on issues such as zoning and other land development matters. She...

Jacqueline Gallagher practices in the areas of labor and management relations, employment law and discrimination litigation and represents management in a wide variety of labor and employment matters, including federal court, state court and administrative proceedings involving Title VII, The Americans with Disabilities Act, the Age Discrimination in Employment Act, the Family Medical Leave Act, the Fair Labor Standards Act and common law claims involving breach of contract and wrongful disch...

Kelly Anne Donohoe is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kelly Anne, 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 Kelly Anne is held by other top lawyers in the same geographic and legal practice area.

Liz practices all areas of family law, including but not limited to, preparing pre- and post-nuptial agreements, obtaining no-fault and fault divorces, as well as litigating and settling equitable distribution, custody and support matters. Her clients value her collaborative and cost-effective approach to legal representation. Liz strives to resolve all matters expeditiously and efficiently while maintaining a high level of compassion and attention to detail. Prior to working at Dischell Bart...

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...

Joseph L. Messa, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Joseph L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph L. is held by other top lawyers in the same geographic and legal practice area.

James McEldrew is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. James, 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 James is held by other top lawyers in the same geographic and legal practice area.

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...