John N. Ellison

Joseph E. O'Neil is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Joseph E. practices law in Chesterbrook, Pennsylvania Best Lawyers has recognized Joseph E. O'Neil since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Joseph E. O'Neil is held by othe...

Philip G. Kircher handles a wide variety of complex commercial litigation in state and federal courts including securities, antitrust, shareholders' rights, business and real estate joint ventures, corporate governance, breach of fiduciary duties and general breach of contract matters. Philip has represented manufacturers, wholesalers, retailers, hospitals, doctors, food service operators, software designers, architects, engineers, constructors, schools, banks, state and local governments and...

Arthur R. Armstrong is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Arthur R. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Arthur R. Armstrong since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Arthur R. Armstrong is held by other lawyers.

Whether he is negotiating a settlement or trying a case to verdict, Edward Chacker is recognized as one of the leading trial lawyers in Pennsylvania. As Senior Managing Partner and Chair of Gay & Chacker, Edward has built a successful career representing clients in the personal injury and civil litigation arenas, particularly in cases involving car and truck crashes , workplace injuries, slip and fall accidents, medical malpractice , and police and correctional guard abuse. He is an appro...

David A. Ebby is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. David A. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized David A. Ebby since 2007. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David A. Ebby is held by other lawyers.

Mark Vacha is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Mark practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Mark Vacha since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark Vacha is held by other lawyers.

John represents a broad array of clients, ranging from Fortune 500 companies to smaller closely held businesses, facing diverse environmental issues. John is co-practice leader of the firm's New Jersey practice, is a partner in the firm’s environmental litigation group, and is also regularly called upon by clients to handle site remediation matters and complex negotiations with government entities and private parties. John’s work on contaminated sediment sites and related litigati...

Thomas J. Giordano, Jr. is a lawyer recognized by Best Lawyers in the practice area of Workers' Compensation Law - Claimants. Thomas J. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Thomas J. Giordano, Jr. since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas J. Giordano, Jr. is held by other lawyers.

Gregory Spizer is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Gregory practices law in Philadelphia, Pennsylvania and handles cases such as medical malpractice, catastrophic injury, auto-accidents, and more. Best Lawyers has recognized Gregory Spizer since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice ...

Consistently achieving both seven and eight figure verdicts, Kenneth M. Rothweiler is “at the top of his profession,” exclaims client Joanne Graham. His revered reputation in Pennsylvania among patients, doctors, and lawyers alike is undeniable - commencing his career by serving as a legal clerk for the Superior Court of PA, he stands today as the co-founder, senior partner, and chair of the management committee of his firm. Dedicated to complex personal injury litigation, he is o...