Joseph A. Cullen, Jr.

Gerhard has more than 30 years of courtroom experience. Today, his practice is focused on the defense of product liability and other complex litigation matters, including mass torts and class actions. He represents manufacturers of appliances, HVAC equipment, roofing materials, truck-trailers, tires, and other products. He also has represented corporate clients in business disputes, commercial and employment litigation, CERCLA actions, and insurance coverage cases. He tried his first case to ...

Josh M. Greenbaum concentrates his practice in construction law litigation, product liability, casualty defense, commercial litigation and complex tort litigation. He has handled all types of litigation matters, including product liability cases, security and premises liability cases, dram shop cases, lead paint litigation, construction litigation, oil and gas litigation and breach of contract claims. Josh has successfully tried numerous cases to verdict, including major jury trials in state ...

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...

A former Chief Deputy City Solicitor for the City of Philadelphia, Ralph J. Teti is a partner with Willig, Williams & Davidson. He focuses his practice on labor representation, including representation of clients in grievance and interest arbitrations, state and federal courts, and before numerous boards, agencies and commissions. Considered by his peers as a leading authority on federal and state election law and regulation, Ralph also serves as counsel for political candidates, politica...

Ellen C. Brotman began her career as a law clerk in the United States District Court, Southern District of New York. She has served as an Assistant Federal Defender in Philadelphia, PA and practiced in small, medium and large firms with a focus on criminal defense, appellate advocacy, professional responsibility and ethics. She has defended a wide variety of high-profile criminal cases, including political and public corruption, securities fraud, tax fraud, money laundering, currency structur...

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...

For almost 20 years, Daniel J. Mann has represented individuals and families who have been victims of defective manufactured products, trucking and motor vehicle accidents , construction and workplace accidents, premises defects, and medical malpractice. He has brought cases against obstetricians and hospitals for birth injury and malpractice, trucking companies for accidents resulting in severe injury and death, and car manufacturers for unsafe vehicle construction. A partner of the firm sin...

Hayes Hunt represents corporations and individuals in a wide variety of crisis management, civil litigation and business matters in both state and federal courts throughout the country. Due in part to his diverse background handling both civil and criminal matters, he has successfully tried numerous cases to verdict. This year, Hayes won the Pennsylvania Attorney of the Year award presented by the Legal Intelligencer. Hayes is a Life Fellow of the American Bar Foundation. The Fellows is an ho...

Kevin Birkhead is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Kevin, who practices law in Fort Washington, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin is held by other top lawyers in the same geographic and legal practice area.

Jason M. Shargel joined the firm’s Philadelphia office in March 2009 as a member in the Business Law Department. Jason practices in the firm's Corporate Law Practice Group, and has more than 30 years of experience in the private practice of corporate and securities law. Having begun his career in the SEC's Enforcement Division, his practice includes mergers and acquisitions, as well as the representation of issuers and funds in venture capital, growth capital and other private equity fi...