Manko, Gold, Katcher & Fox (MGKF) is a nationally recognized law firm focused on environmental, energy, litigation, occupational health and safety, and land use matters. The firm provides comprehensive regulatory, transactional, and litigation services, drawing on decades of experience. With offices in Pennsylvania, New Jersey, New York, and Hawaii, MGKF represents clients ranging from small businesses to Fortune 100 companies. The team includes seasoned attorneys, technical consultants, and professionals with backgrounds in science, engineering, and government service.
About Kate Campbell
Kate is a Chambers-ranked litigation partner specializing in environmental, toxic tort, and class action matters, including Superfund and RCRA remediation. She leads the PFAS litigation and remediation team at the firm and has successfully represented clients in complex PFAS-related claims. For over two decades, Kate has defended complex toxic tort and class action lawsuits involving personal injury, wrongful death, medical monitoring and property damage. She also regularly represents potentially responsible parties in CERCLA and RCRA matters nationwide and litigates enforcement actions under a broad range of environmental statutes.
About Giselle Mazmanian
Giselle Mazmanian joined Manko, Gold, Katcher & Fox after nearly a decade as a senior
associate in environmental, energy, and natural resources law at a leading Canadian firm in
Toronto. Drawing on her prior work as an environmental scientist and engineering consultant,
Giselle brings technical insight and a scientific perspective to her legal practice. She helps
clients assess risk, develop practical strategies, and build strong legal and technical positions.
Giselle’s practice spans a wide range of environmental matters, including CERCLA site studies
and remedies, RCRA waste management, regulatory compliance, permitting, environmental
litigation, and the environmental aspects of strategic acquisitions, real estate transfers, and
development projects. Giselle also regularly advises on cross-border issues such as managing
environmental liability, environmental transactional due diligence, and evolving PFAS
regulations. She is admitted to the New York Bar and Ontario Bar.
