Steven D. "Steve" Costello

With over 40 years of experience, Martina Walsh McLaughlin has a distinguished career and stellar reputation representing clients in a wide variety of complex civil litigation cases, including medical malpractice, product liability, highway design, and dram shop cases. She has represented many families who suffered devastating losses, including a new father whose wife died in childbirth, parents of a healthy newborn who suffered brain damage only hours after birth, the mother of a constructio...

Alexia M. Fishman is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Alexia M. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Alexia M. Fishman since 2026. 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 Alexia M. Fishman is held by other lawyers.

Matthew I. Weinstein is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Matthew I. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Matthew I. Weinstein since 2021. 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 Matthew I. Weinstein 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...

Jonathan Korman is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Jonathan practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Jonathan Korman 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 Jonathan Korman is held by other lawyers.

Jonathan is an experienced family law attorney handling a wide range of domestic relations matters including divorce, support, custody, equitable distribution, prenuptial/postnuptial agreements and protection from abuse actions. His practice also consists of tax-related issues in complex support and equitable distribution matters. Jonathan is a frequent speaker and author on such topics as taxation and divorce, ethics in family law matters, divorce over 50, the judicial interview of children ...

Charles “Chip” Becker is a partner at Kline & Specter, PC, where he has primary responsibility for the firm’s post-trial and appellate practice and works with the firm's lawyers on all procedural and substantive aspects of their cases. Becker has presented argument in all of Pennsylvania's appellate courts, the New Jersey and Delaware appellate courts, and multiple federal circuit courts, including the U.S. Supreme Court. In addition to his work at Kline & Specter, B...

David J. Walton is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. David J. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized David J. Walton 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 David J. Walton is held by other lawyers.

For almost four decades, shareholder Nancy J. Winkler has represented individuals and their families in litigation regarding a wide range of complex legal matters. As a result, she has recovered millions of dollars in successful verdicts and settlements. At the heart of her career is a personal dedication to protecting the rights of innocent victims. As a shareholder at Eisenberg, Winkler, Jeck, Schwartz, Schoenhaus & Sherry, Nancy concentrates her practice on catastrophic, life-altering ...

The Honorable Geoffrey W. Dlin (ret.) has returned to private practice and joined KK &O after serving more than 15 years as a Workers' Compensation Judge. As a judge, he decided thousands of contested workers' compensation cases and frequently taught other lawyers, judges and private organizations about workers' compensation matters. In addition to those traditional roles of a judge, Geoff developed a statewide mediation practice. His skills in settling workers' compensation cases were hi...