Mark L. Mattioli

William C. Rhodes is a top attorney recognized by Best Lawyers in the practice area(s) of Economic Development Law, Project Finance Law and Public Finance Law. William C., who practices law in Philadelphia, Pennsylvania, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William C. is held by other top lawyers in the same geographic and legal practice area.

Clark Whitney is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Clark, who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Clark 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...

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

William Hussey focuses his practice on matters of federal, state, local and international taxation. As part of a multidisciplinary team, Bill counsels clients in structuring their business and investment affairs in a tax-efficient manner, from the selection, formation and operation of business entities to the disposition of those entities. Bill provides guidance on the ongoing tax obligations and opportunities available to clients in all manner of their domestic and international operations. ...

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...

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

Ellen Goldberg Weiner is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Ellen, who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ellen is held by other top lawyers in the same geographic and legal practice area.

Joseph E. Mayk is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Services Regulation Law. Joseph E., who practices law in West Chester, Pennsylvania, has been recognized since 2026. 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.

Martin Brigham has devoted his legal career to representing victims of unsafe products and of corporate negligence. His talent in the field of products liability is recognized year after year by The Best Lawyers in America©, the Bar Register of Preeminent Lawyers, and Super Lawyers. He is the only Philadelphia plaintiff’s attorney selected by corporate and insurance counsel for listing in the “World’s Leading Product Liability Lawyers.” As lead trial counsel in ov...