Matthew C. Cooper

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...

Thomas G. Wilkinson, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Ethics and Professional Responsibility Law and Professional Malpractice Law - Defendants. Thomas G., who practices law in Philadelphia, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas G. 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...

Ryan A. Hauck is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Ryan A., 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 Ryan A. is held by other top lawyers in the same geographic and legal practice area.

Nataliya Rymer focuses her practice on employment-based immigration and compliance. She represents employers of various sizes across all industries, helping them plan and effectuate movement of an international workforce to the United States, as well as with the nuances involved with hiring foreign nationals. She has considerable experience in a wide range of employment-based immigrant and non-immigrant matters, including those involving professionals, managers and executives; educational ins...

W. John Vandenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. W. John, 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 W. John 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 Banking and Finance Law and 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.

Nils B. Snell is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Nils B., who practices law in Philadelphia, Pennsylvania, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nils B. is held by other top lawyers in the same geographic and legal practice area.

Mindee J. Reuben is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mindee J., 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 Mindee J. is held by other top lawyers in the same geographic and legal practice area.

Howard is a nationally recognized real estate attorney who has been representing developers, operators, investors, and lenders in their most complex transactions for more than 30 years. He is a leading practitioner in the joint venture arena, adept at structuring sophisticated, multi-party agreements, and negotiating transactions involving diverse capital sources such as private equity, public finance, preferred equity, and senior debt. Howard also focuses his practice on guiding development ...