Obadiah G. "Obie" English

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...

William J. Leahy is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. William 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 William J. is held by other top lawyers in the same geographic and legal practice area.

A graduate of the University of Pennsylvania and its law school, Marc Jonas is co-chair of the firm's Land Use and Zoning practice group. He has extensive experience in real estate, land use, municipal law, and zoning matters, representing individuals, businesses, institutions, non-profit organizations and municipalities. Marc has practiced land use and real estate law for more than 30 years. In his career, Marc has appeared as counsel in Pennsylvania state and federal courts in matters invol...

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.

Jeffrey M. Kolansky is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jeffrey M., who practices law in Philadelphia, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey M. is held by other top lawyers in the same geographic and legal practice area.

Adam M. Silverman is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Adam M., 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 Adam M. is held by other top lawyers in the same geographic and legal practice area.

Kayci D. Petenko is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Kayci D., 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 Kayci D. is held by other top lawyers in the same geographic and legal practice area.

Jessica Natali is a Chambers-rated white collar criminal defense attorney and former Assistant U.S. Attorney for the Eastern District of Pennsylvania. She has deep experience both prosecuting and defending a wide range of criminal and civil cases, particularly health care fraud and securities, financial institution and accounting fraud. Jessica represents corporations and individuals in federal and state criminal cases, complex white collar defense matters, internal investigations, civil inve...

James H. Heller, chair of the firm's Products Liability Practice Group and vice chair of the Commercial Litigation Department, joined the firm in August 1985. Jim is a member of the firm's Board of Directors. Jim practices out of the Philadelphia office. Jim handles complex commercial disputes and catastrophic personal injury claims. During his tenure at Cozen O’Connor, Jim has had extensive litigation experience, trying more than 50 cases to verdict or judgment in state and federal cou...

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 ...