Steven D. "Steve" Costello

Dianne M. Nast is a magna cum laude graduate of Rutgers University School of Law. She is the founder and senior member of NastLaw LLC in Philadelphia. For almost 20 years, she was a senior shareholder with the Philadelphia law firm of Kohn, Nast & Graf, P.C. (now Kohn, Swift & Graf, P.C.), and then a senior shareholder at RodaNast, P.C. from 1995 to 2012. Ms. Nast, an active member of the bar for over four decades, has extensive experience in complex litigation. She has a reputation f...

Todd Kantorczyk is a partner at the environmental and energy law firm of Manko, Gold, Katcher & Fox. He has extensive experience advising clients on complex issues related to regulatory compliance, litigation, and transactional matters, particularly in the areas of wetlands and stormwater permitting, chemical regulation, air, climate change, and energy. Todd’s practice has included matters related to chemical regulation under the Toxic Substances Control Act, as well as natural gas ...

Michael Filoromo joined Katz Banks Kumin in May 2008 and co-founded the firm’s Philadelphia office in 2015 after being elevated to partner. He has litigated whistleblower cases in federal and state courts and the U.S. Department of Labor. He regularly represents clients in claims brought under the Sarbanes-Oxley corporate whistleblower protections, the False Claims Act anti-retaliation provisions, and the anti-discrimination and retaliation protections of Title VII of the Civil Rights A...

Joseph L. Messa, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Joseph L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph L. is held by other top lawyers in the same geographic and legal practice area.

Andrew J. Rolfes is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Andrew J., who practices law in Philadelphia, Pennsylvania, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew J. is held by other top lawyers in the same geographic and legal practice area.

Andrea E. Hammel is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Andrea E., who practices law in West Conshohocken, Pennsylvania, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrea E. is held by other top lawyers in the same geographic and legal practice area.

William H. Catto is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction and Litigation - Labor and Employment. William H., 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 William H. is held by other top lawyers in the same geographic and legal practice area.

Charles J. Meyer is a shareholder in the domestic relations firm, Hofstein Weiner & Meyer, P.C. For more than 30 years, he has represented clients in all aspects of family law, including negotiations leading to prenuptial, postnuptial and co-habitation agreements, and the investigation and litigation of the financial and economic issues related to the dissolution of marriage, including child support, equitable distribution and alimony. His clients include high net worth individuals, profe...

Elizabeth A. Malloy concentrates her practice in the areas of employment litigation, employment law and serving as a neutral investigator of employment-related claims, as well as student complaints in the educational sector. Liz has represented employers in diverse industries in employment litigation, from single plaintiff cases to class action lawsuits. She has substantial experience with employers in retail, health care, energy, and manufacturing of all types. She has handled cases involvin...

Kaitlyn R. Maxwell is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Kaitlyn R., 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 Kaitlyn R. is held by other top lawyers in the same geographic and legal practice area.