Brandon M. Riley

Joseph E. Lastowka, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Joseph E., who practices law in Media, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph E. is held by other top lawyers in the same geographic and legal practice area.

Paul D. Weiner is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Paul D., who practices law in Philadelphia, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul D. is held by other top lawyers in the same geographic and legal practice area.

Matt Haverstick is a managing partner of the Firm and a partner in the Litigation Department. He represents government officials, private entities, and individuals in high-profile, media intensive litigation and appeals, ranging from major grand jury investigations to Pennsylvania Supreme Court arguments over the constitutionality of state laws. Referred to in media reports as “counsel of choice for state Republicans in a number of recent policy fights” for his work on matters tha...

Daniel Jeck, a founding partner in the law firm of Eisenberg, Rothweiler, Winkler, Eisenberg & Jeck, P.C., has achieved remarkable results for his clients in a broad range of catastrophic injury cases, including numerous multi-million dollar verdicts and settlements, for over 20 years in the states of Pennsylvania and New Jersey. Clients he has represented include children with cerebral palsy due to birth injuries, women who have suffered a delay in their diagnosis of breast cancer, and i...

Morris Wilson Knepp Jacquette, P.C.’s founder, Bob, is well known in the legal community throughout the Greater Philadelphia region for achieving record-setting verdicts and settlements on behalf of his clients. He represents victims of medical malpractice, car accidents, product liability, and criminal securities fraud. He also works as a mediator, arbitrator, and legal expert witness. Bob is both locally and nationally recognized as a talented civil trial lawyer, having achieved Natio...

As head of the Business Law Department at Gawthrop Greenwood, Michael F. Merlie concentrates his practice in the areas of finance, secured transactions (including creditors’ rights), mergers, acquisitions, admiralty/maritime law, real estate law and startup businesses. Representing institutional, corporate and entrepreneurial clients in a wide variety of business matters, his experience includes negotiating and documenting mergers, acquisitions and real estate transactions. He has also ...

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...

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.

Tom represents clients in white collar criminal matters, corporate investigations and complex civil litigation. Tom’s national practice is focused on representing entities facing government investigations. particularly focused in the health care industry. He also represents businesses and individuals facing investigation by federal and state law enforcement authorities, government regulatory agencies and congressional committees. For example, he has represented major pharmaceutical comp...

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...