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John has owned and operated the Firm since forming it in 2009. He concentrates his practice in all aspects of employment law litigation with a focus on sexual harassment, sex assault, sex trafficking, whistleblower retaliation, Qui Tam litigation, pregnancy and disability discrimination, and all other areas of employment law and civil rights violations. John has experience in all phases of complex civil litigation, both state and federal, and has successfully tried numerous cases to a conclusion from both a plaintiff and defendant’s perspective.
From an employment defense standpoint, the Firm’s clients range from a host of different industries and businesses in New York and New Jersey. These include several New York City upscale hotels, restaurants, and nightclubs, as well New York and New Jersey based law firms, engineering firms, environmental contractors, apparel manufacturers, and non-profit organizations. In over 17 years of representing the City of Newark handling a significantly large level of employment cases that go to trial every year, John has not lost a single trial or appeal for the City.
Our Firm continues to be trusted to defend some of the most prominent leaders and professionals in the country. We have represented U.S. Senators, sitting judges, mayors of major cities, as well as CEOs, venture capital executives, and law firm partners from some of the largest and most prestigious law firms in the world. Drawing on 20 years of employment defense work, we bring a proven ability to navigate high-stakes employment litigation with discretion, an aggressive strategy, and a diligent focus on protecting our clients’ reputations and interests.
From a Plaintiff’s perspective, John continues to be one of the go-to lawyers for clients who are C-Suite executives and key employees in the financial, legal, real estate, and health care industries involving complaints of discrimination and retaliation in Manhattan and New Jersey. In that regard, John has successfully tried dozens of cases to verdict, and succeeded in numerous arbitrations and obtained high value settlements for his individual clients.
During law school, John was a Member of the Moot Court Honor Society and represented Seton Hall Law in a national constitutional law tournament in Madison, Wisconsin, finishing as a quarterfinalist. John was also an intern with the Hudson County Prosecutor's Office for two years in their homicide division, and a paralegal with Cadwalader, Wickersham & Taft in New York City in their Securitization division.
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Practice Areas
7 years
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We have not found any cost information for this lawyer
State: New York
Acquired: 2017
No misconduct found
State: New Jersey
Acquired: 2005
No misconduct found
State: District of Columbia
Acquired: 2017
No misconduct found
Mobile
225 Broadway, Suite 3800, New York, NY, 10007
employmentdiscrimination.com/Mobile
354 Eisenhower Parkway, Suite 1250, Livingston, NJ, 07039
employmentdiscrimination.com/Other places you can find John online.
18 Client Reviews
Showing 1 - 4 of 4 reviews | Communication Style
Posted by anonymous | March 25, 2024 | Hired Attorney
Easy and helpful to work with
Working with John was extremely easy. He was great at explaining process and helping me understand everything along the way. John had nothing but my best interest in mind and made what could be an awful time very bearable.
Posted by Lamar Burno | July 24, 2014 | Business
The man you need...!
I had a legal issue with a company that had a main office with many different satellite offices. Attorney Zidziunas didn't hesitate to investigate the situation. He kept in contact with me in regards to everything he was doing. He answered all of my calls and at times he returned my calls. He was ver...
Posted by anonymous | April 15, 2009 | Lawsuits & Disputes
TMobile Authorized Dealer License
Of all the attorneys I had a chance to visit, John Zidziunas was the only one who took the time to clearly and patiently explain to me the implications of the different aspects of my case. He also wisely advised me what to do, So when I signed the related documents I was confident because I understo...
Posted by anonymous | March 13, 2009 | Lawsuits & Disputes
A+ Attorney
John Zidzinuas is compasionate, caring and reliable. I was faced with a problem that no other attorney wanted to take on or a case that no other attornery even believed in. My prayers were answered when I contacted John , he not only was willing to fight for my rights but he truly believed in my ca...
"John was an incredibly worthy adversary in a matter that was vigorously litigated. He handled his client's interests with zeal and adeptness. He always put his client's interest above his own. I give John my highest endorsement of a colleague and adversary of impeccable character and trustworthiness."
"John was a gentleman and a professional in the matter that I handled with him. I wish I could say that for all my adversaries. I endorse this lawyer's work."
"Mr. Zidziunaas and I initially started working together in May of 2009, since that time I have found him to be a responsible and diligent attorney."
Employment and labor lawyer
Employment and labor lawyer
Commercial real estate lawyer
2005
National Quarterfinalist-Constitutional Law, Moot Court Honor Society
2009 - Present
Owner, John J. Zidziunas & Associates
2005 - 2006
Judicial Law Clerk, Honorable Barbara A. Curran, S.J.C.
2013 - Present
NELAMember
Member
Member
Member
2005
JD - Juris Doctor
2000
BA - Bachelor of Arts
N/A
English
Spanish