Guy A. Donatelli

Melissa Grossman is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa, 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 Melissa is held by other top lawyers in the same geographic and legal practice area.

Named “Lawyer of the Year 2022” by Best Lawyers in America ® and chair of Gawthrop Greenwood’s management committee, Stacey L. Fuller practices in the areas of Municipal Law, Land Use Law, Education Law, and Special Education Law. Stacey represents municipalities, townships, boroughs, planning commissions, zoning hearing boards and other governmental entities, as well as individual developers and residents, on issues such as zoning and other land development matters. She...

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...

Michael Daly is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Joshua D. Cohen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Joshua D., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joshua D. is held by other top lawyers in the same geographic and legal practice area.

Jonathan Spergel is the immediate past managing partner of Manko, Gold, Katcher & Fox LLP in Bala Cynwyd, Pennsylvania, the environmental and energy law firm with which he started his legal career in 1993. He handles a wide variety of environmental legal issues, including the environmental aspects of commercial transactions and brownfields sites, environmental insurance procurement and coverage issues, public funding opportunities, regulatory compliance counseling, and litigation for comm...

John P. Schwartz is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John P., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John P. 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...

Deborah R. Willig has served as Willig, Williams & Davidson’s managing partner since the firm’s founding in 1979. A determined advocate for workers, Deborah has focused her practice on labor relations and employment law since 1976. As a labor and employment attorney, Deborah has been involved in representing a wide range of labor unions including teachers, and non-professional public school employees, public health, social, and recreation workers, firefighters, teamsters and o...

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...