Joel E. Horowitz

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...

Doreen Y. Trujillo is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Doreen Y., who practices law in Blue Bell, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Doreen Y. is held by other top lawyers in the same geographic and legal practice area.

John Angeloni is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. John, who practices law in Berwyn, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Lisa D. Eldridge is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Lisa D., 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 Lisa D. is held by other top lawyers in the same geographic and legal practice area.

A Willig, Williams & Davidson partner, Linda M. Martin counsels and represents labor organizations and individuals in a broad range of labor and employment matters. She routinely advocates on behalf of her clients in state and federal courts, and before arbitrators and administrative agencies. Linda’s substantial professional experience includes labor practice proceedings, contract negotiations, ERISA litigation, employment claims and labor disputes, among other areas. In addition, ...

Nancy B. G. Lassen is a partner in the Philadelphia office of Willig, Williams & Davidson. Nan has focused her practice on labor law at WWD since 1984. Nan grew up in Detroit, MI in a family with strong ties to labor. Her father (a disabled veteran) was a Teamster. Her mother was a UAW member. And her grandfather was a Steelworker. Nan herself has been a tireless and courageous advocate for working men and women for decades. Working in industry since age 15, including on a Chrysler assemb...

Mark W. Tanner primarily represents victims of medical negligence and insurance bad faith, and also has substantial experience in cases involving disability insurance claims, civil rights claims, and class action litigation. An accomplished Philadelphia Personal Injury lawyer with a wide ranging practice, Mark has handled cases throughout the region and across the country, and has been appointed as a liaison counsel in mass tort litigation at both the state and federal court level. He has sec...

Jeff focuses his practice on multiple areas of real estate law, including real estate development, real estate finance, joint venture transactions, multifamily transactions, landlord-tenant disputes, and loan workouts. He currently serves on the firm's management committee and board of directors, and is chair of the firm's Business Law Section. Jeff’s representations have included engagements by private equity funds in connection with the purchase of distressed debt, lenders in connecti...

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

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