Felix S. Yelin

Michael J. Heller is the chief executive officer of Cozen O'Connor. He serves on the firm's board of directors, management committee and heads the emerging business and venture capital practice. Michael approaches each situation with an entrepreneurial zeal, and his investing experience arms him with a unique ability to provide legal and business insight into a variety of complex corporate matters. He understands, first hand, the critical roles of modern executives. Michael is a recognized le...

Daniel F. Shay is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Daniel F., 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 Daniel F. is held by other top lawyers in the same geographic and legal practice area.

Matthew H. Kamens joined the firm’s Philadelphia office in April 2009 as senior counsel in the Business Law Department. A member of the Private Client Services Group, Matthew concentrates his practice in trusts, estate and business planning matters, as well as complex estate administration. Matthew has significant knowledge of life insurance and its structuring in estate planning contexts and also serves as a trustee of a number of significant trusts holding liquid and nonliquid assets ...

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...

Mark S. Cappuccio is Chair of the firm's Tax Assessment Appeals practice group. He is an experienced civil trial attorney and has extensive background in the areas of commercial litigation, real estate, zoning, condemnation and tax assessment law. As a member of the Firm's Zoning and Land Use Group he represents individuals, businesses and municipalities in a variety of real estate matters including land use, zoning and condemnation cases. He has been appointed to serve as a mediator in the M...

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.

Alfred J. Carlson is a partner at Martin Law. Al has been a litigator in Pennsylvania workers’ compensation law since passing the bar in 1992 and joined his partners at Martin in 2000 to represent injured workers. He previously practiced at a leading defense firm in Philadelphia, representing international corporations, major insurance companies and state and local government agencies in Pennsylvania workers’ compensation cases. In the spring of 2013, Mr. Carlson was among the fir...

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...

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...

Leonard A. Sloane is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Plaintiffs. Leonard A., who practices law in Media, Pennsylvania, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard A. is held by other top lawyers in the same geographic and legal practice area.