Obadiah G. "Obie" English

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...

Daniel V. Johns is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Daniel V., who practices law in Philadelphia, Pennsylvania, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel V. is held by other top lawyers in the same geographic and legal practice area.

Theodore J. Murphy - Ted has been involved with Immigration matters since 1993. He is currently the founder and managing attorney of the Murphy Law Firm in West Chester, Pennsylvania. Ted is a member of the American Immigration Lawyers Association (AILA) and the Chester County, Pennsylvania; Pennsylvania and American Bar Associations. He was an adjunct professor at The Beasley School of Law, Temple University. He is a frequent lecturer on immigration matters. Ted has been on the faculty at th...

Mark W. Tanner primarily represents victims of medical negligence and insurance bad faith, and also has substantial experience in cases involving disability insurance claims, civil rights claims, and class action litigation. An accomplished Philadelphia Personal Injury lawyer with a wide ranging practice, Mark has handled cases throughout the region and across the country, and has been appointed as a liaison counsel in mass tort litigation at both the state and federal court level. He has sec...

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...

Frances P. Rayer is experienced in the immigration field, where she represents institutional clients and multinational corporations who are seeking to employ foreign nationals in the United States on either a temporary or permanent basis.The majority of Fran’s practice focuses on the area of employment-based immigration for institutional clients, multinational corporations, and universities. Her clients come from a wide variety of industries, including technology, telecommunications, he...

John Angeloni is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. John, who practices law in Berwyn, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Timothy D. Rau is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Timothy D., 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 Timothy D. is held by other top lawyers in the same geographic and legal practice area.

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

John J. O'Donnell is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. John J., 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 John J. is held by other top lawyers in the same geographic and legal practice area.