Boonton, NJ

Jonathan Testa

Jonathan Testa is a Partner at Dorsey & Semrau, promoted effective June 23, 2025. He joined the firm in 2018 and was admitted to the Bar in 2009. He is a tenacious litigator on municipal issues, recognized as an expert in affordable housing. He has extensive litigation experience in State and Federal courts, including the New Jersey Supreme Court and Third Circuit Court of Appeals, and provides day-to-day legal guidance to municipal clients. He is a 2009 graduate of Western Michigan University Thomas M. Cooley Law School, where he received the 2008 Coleman Class Fitzgerald Distinguished Student Award. He is admitted to practice in New Jersey and New York, as well as the Federal District Court of the District of New Jersey and Third Circuit Court of Appeals. He has significant litigation experience in matters involving the New Jersey Tort Claims Act, the New Jersey Civil Rights Act, the New Jersey Fair Housing Act and Municipal Land Use Law.

Edward R. Pasternak

Edward R. Pasternak is a Senior Associate at Dorsey & Semrau, promoted effective May 1, 2021. He has a wide variety of professional experience, including 15 years as an attorney for the United States Air Force and as a Court Executive in the New Jersey Judiciary. He successfully handles labor, personnel, and Title 59 cases, and is the attorney of record on Marra v. Hopatcong. He provides day-to-day legal counsel to public entities. He has been licensed to practice law in New Jersey since 2001.

Dawn M. Sullivan

Dawn M. Sullivan is a Senior Associate at Dorsey & Semrau, LLC. She has practiced law for over eleven years and argued cases before the Appellate Division of New Jersey, including a case upholding Montville Township's right to collect water connection fees.

Fred Semrau

Fred Semrau is a Partner at Dorsey & Semrau. In 2004, he co-founded the firm, which has since grown to seven experienced attorneys specializing in all phases of municipal law. He was also involved in briefing a case for the New Jersey Institute of Local Government Attorneys.

John P. Jansen

John P. Jansen is an Associate attorney at Dorsey & Semrau.

Rob Rossmeissl

Rob Rossmeissl is an Associate at Dorsey & Semrau, specializing in tax law, foreclosure, and bankruptcy.

Sue Sharpe

Sue Sharpe is a Senior Associate at Dorsey & Semrau. She provides day-to-day legal counsel to public entities with special emphasis on affordable housing. She also argued a case before the Supreme Court and was on the brief for Caraballo v. Jersey City Police Department.