I am a results-oriented, energetic advocate for my clients. I am passionate about representing my clients. As most cases come from word-of-mouth referrals, I am proud of my reputation built one client at a time. Most clients are faced with a difficult challenge in a critical part of their lives: their jobs and careers. I am competitive and look forward to taking the fight to the employer to redress unfair and illegal actions. I align our firm's fee arrangement with the client's desired outcome so that there is an identity of interest in the result sought. My success is defined by each client obtaining the desired outcome as a consequence of my effective counsel. Most of all, I love what I do, and that is helping people and seeking fair results for clients who deserve better treatment from their employers.
5
Practice Areas
37 years | 5,000 cases
37 years | 200 cases
37 years | 400 cases
37 years | 500 cases
33%-40%
State: New Jersey
Acquired: 1989
No misconduct found
State: New York
Acquired: 1989
No misconduct found
State: District of Columbia
Acquired: 1991
No misconduct found
177 Client Reviews
Showing 106 - 110 of 177 reviews
Posted by Elisabeth | October 30, 2019 | Hired Attorney | Employment & Labor
Elisabeth Halfpapp
He was very thorough, caring, and thoughtful. Helped me get through a tough negotiation with a plethora of support. Expert in individual employment law.
Posted by Rory | October 16, 2019 | Hired Attorney | Employment & Labor
Incredible!
Came to John with an employment contract that should’ve been used to wrap fish or start a fire. My employer had a permanent seat on the 9th ring of Dante’s hell . Jon and his team were outstanding. Always optimistic , supportive and very clear in managing my expectations. Made you feel like family . ...
Posted by Lisa | October 08, 2019 | Hired Attorney | Lawsuits & Disputes
Easy to recommend Jonathan Sack
I got recommended from my cousin. I spoke to another lawyer who would not take my case. But when I met Jonathan he didn’t hesitate to take my case. Thanks to Jonathan and his dedication and passion for justice. I received justice.Jonathan is professional, effective, knowledgeable, fierce, straightfor...
Posted by anonymous | September 23, 2019 | Discrimination
Reliable counsel for years
The first time I went to Jonathan Sack, I was pregnant and my employer was threatening to fire me. Jonathan wrote a letter to my employer on his letterhead, and that was the end of the threats; my job was saved. That was 12 years ago. Since then, he is my go to counsel for discrimination and other wo...
Posted by anonymous | August 19, 2019 | Hired Attorney | Lawsuits & Disputes
Easy to recommend Jonathan Sack
I tried, literally for 20 years, to find someone to take my case. Jonathan did not hesitate. A case no one else would touch, netted a nice settlement - thanks to Sack's dedication, drive, and passion for justice. I highly recommend him and his team!
"Jonathan is one of the most professional, effective, and direct attorneys I have ever met. His knowledge of labor and employment law is vast and very respected. You can't go wrong having him on your team."
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2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2024
Client's Choice, Avvo
2023
Super Lawyer, Super Lawyers
2017
Super Lawyer, Super Lawyers
1986
Dewey Scholarship, Dewey Scholarship
1989 - Present
Partner, Sack & Sack, LLP
1989 - Present
New York State Bar Association
1989
JD - Juris Doctor
1986
BA - Bachelor of Arts
English