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 11 - 15 of 67 reviews | Practice Area Knowledge
Posted by anonymous | September 27, 2022 | Hired Attorney | Employment & Labor
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 22, 2022 | Divorce & Separation
Knowledgeable and Responsive
A contact and previous client referred me to Jonathan Sack. I had a complex separation agreement. Jonathan reviewed the agreement in detail, advised me on my options, and took the time to walk me through everything and answered all my questions. Prior to connecting with Jonathan, the ambiguity and co...
Posted by anonymous | March 22, 2022 | Hired Attorney | Employment & Labor
kind & responsive
I recently went through a difficult process with my employer that put me in a position where I needed legal representation. Jonathan was suggested to me by a friend who worked with him a few years ago. He was unbelievably helpful and kind throughout the process, taking the time to answer all my quest...
Posted by anonymous | March 21, 2022 | Employment & Labor
Partner
I was referred to Jonathan by a friend, and within 30 minutes we'd connected and planned next steps. He was incredibly knowledgeable and generous. He didn't charge me for my consultation and quickly answered my questions and concerns about a new employment agreement. He's an excellent resource for wo...
Posted by anonymous | December 20, 2021 | Employment & Labor
Supportive and empathetic
I was recommended by my friend to meet with Jonathan regarding a work place harassment case. At the time, my employment visa status was in jeopardy and I was facing verbal and sexual harassment from people at the firm. I was in utter despair and urgently needed a legal professional to quickly dissect...
"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