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 1 - 5 of 10 reviews | Wrongful Termination
Posted by James | December 12, 2022 | Hired Attorney | Wrongful Termination
Best Lawyer there is for Financial Services related issues!
I was recently wrongfully terminated from a large Investment Bank the week of Thanksgiving and was referred to Jonathan by a friend and could not have been more grateful to have Jonathan on my side. Jonathan and his team diligently worked on my behalf while in the midst of the holiday season to ...
Posted by anonymous | September 27, 2022 | Hired Attorney | Wrongful Termination
Executive
Jonathan is fantastic. I used him when I was wrongfully terminated two years ago and again this year. He is more than a lawyer. He is a confidante and an advisor. He gets results because he is thorough but he is also a great sounding board for smaller issues. He is fearless on behalf of his clients. ...
Posted by anonymous | September 14, 2022 | Hired Attorney | Wrongful Termination
Professional and genuine
I sought Jonathan's representation when my employer let me go after years of discrimination. He was professional, persistent, and genuinely cared about my situation. He quickly negotiated a severance package more than four times what was initially offered to me. I would certainly recommend him.
Posted by anonymous | September 22, 2021 | Wrongful Termination
Incredibly informative and a pleasure to speak to
I consulted Mr. Sack about a termination issue after returning from maternity leave. Mr. Sack responded to my request to speak within minutes and when we spoke, he listened, was compassionate, and gave me incredible advice on what to ask for and how to ask. Thanks to our conversation, I ended up wa...
Posted by Lena | April 16, 2021 | Hired Attorney | Wrongful Termination
Client
I am a woman in the financial industry with decades of experience, a stellar reputation who was wrongfully terminated. I hired my lawyer, Jonathan Sack, to represent me in a mediation with this employer and it is my pleasure to write this review. Jonathan Sack and his team's ability to combat a for...
"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