John J Zidziunas, Esq.

John has owned and led John J. Zidziunas & Associates, LLC since founding the firm in 2009. He focuses on employment law litigation and civil rights matters, including sexual harassment, sexual assault, sex trafficking, whistleblower retaliation, Qui Tam claims, and pregnancy and disability discrimination. John has handled complex cases in state and federal courts from start to finish and has tried many matters to conclusion for both plaintiffs and defendants. On the defense side, he represents a wide range of New York and New Jersey businesses, including upscale NYC hotels, restaurants, and nightclubs, as well as law firms, engineering firms, environmental contractors, apparel manufacturers, and nonprofits. For more than 17 years representing the City of Newark in employment litigation, John has not lost a trial or appeal. He is also trusted to defend prominent leaders—U.S. Senators, judges, mayors, CEOs, venture capital executives, and major law firm partners—bringing discretion and an aggressive, reputation-protective strategy. As a plaintiff-side advocate, he represents C-suite and key employees in finance, law, real estate, and healthcare, securing verdicts, arbitration wins, and substantial settlements.