Lauren Matturri

Greg Mast specializes in complex insurance coverage and business litigation for domestic and international insurers. Having spent time as both a law clerk and in-house counsel, Greg has earned a reputation as a respected advocate inside and outside of the courtroom. In addition to his nationwide practice, Greg also heads up Fields Howell’s Philadelphia office. As a foundation for his legal practice, Greg spent two years working in the U.S. House of Representatives, where his legislative...

A former Chief Deputy City Solicitor for the City of Philadelphia, Ralph J. Teti is a partner with Willig, Williams & Davidson. He focuses his practice on labor representation, including representation of clients in grievance and interest arbitrations, state and federal courts, and before numerous boards, agencies and commissions. Considered by his peers as a leading authority on federal and state election law and regulation, Ralph also serves as counsel for political candidates, politica...

Patrick J. O´Connor is vice chairman of Cozen O´Connor. He is a trial lawyer who focuses his practice on litigation arising out of contracts, banking matters, estates, professional liability involving legal and accounting matters, health care, and aviation-related claims. Prior to joining Cozen O´Connor in 1973, he served as law clerk to the Hon. Thomas J. Clary, chief judge of the U.S. District Court for the Eastern District of Pennsylvania, and was an associate attorney at...

Hugh A. Donaghue is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Professional Malpractice Law - Plaintiffs. Hugh A., who practices law in Media, Pennsylvania, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hugh A. is held by other top lawyers in the same geographic and legal practice area.

Joe’s practice areas encompass business, real estate, land development and financing projects on behalf of local, regional and national developers and lending institutions. In addition to the hundreds of residential and commercial projects that Joe has successfully advanced on behalf of our clients, he has extensive experience with public and private road, water, and sewer infrastructure projects. Organizational Affiliations Pennsylvania Bar Association Chester County Bar Association

H. Robert Fiebach joined Cozen O’Connor in February 1995. He is a member of the firm and resident in the Philadelphia office. In addition to his trial experience, Robert is an accomplished appellate advocate. He has successfully handled many appeals within his practice areas in the Pennsylvania Superior and Supreme Courts and the U.S. Court of Appeals for the Third Circuit. Robert has also successfully handled appeals in the Federal Courts of Appeal for the Second and Fourth Circuits. H...

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.

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...

Paul J. Greco is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property and Litigation - Labor and Employment. Paul J., who practices law in Philadelphia, Pennsylvania, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul 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...