Chaim Book

Senior Partner

For more than 30 years, Chaim has focused his practice in the area of Labor & Employment, representing executive employees, business owners and privately owned businesses.

Chaim regularly counsels business clients regarding compliance with federal, state and local labor and employment laws.

Chaim meets with new clients and accomplishes a comprehensive review of all of the client’s employee and HR practices. He then makes specific recommendations to assist the client to navigate the difficult task of complying with the myriad employment laws that apply to the client.
Chaim will also assist his clients in interacting with the state and federal Department of Labor, with the NY City Commission on Human Rights, the State Division of Human Rights, the New Jersey Civil Rights Division, and the Equal Employment Opportunity Commission.

Chaim has had significant success for his clients, in defending employment discrimination and harassment in litigation, arbitration and mediation, as well as mediation and settlement negotiation. Chaim has represented clients in federal and state court in New York, New Jersey and beyond, as well as in American Arbitration Association and JAMS. Most notably, Chaim has also represented many clients in arbitration before Rabbinical courts (Beth Din).

The types of cases Chaim has worked on include (i) gender, race, age, religious, disability, and national origin discrimination; (ii) sexual and other types of workplace harassment; (iii) breaches of contract and breach of covenants not to compete and confidentiality clauses; and (iv) wages and hours disputes.

Chaim also assists clients to negotiate employment agreements, non-compete agreements (restrictive covenants), and severance packages.

Chaim’s knowledge and vast experience allows him to get to the heart of the issue quickly and achieve success for his clients.

Chaim is admitted to practice in state and federal courts in New York.
Trained as a mediator by the federal court in the Southern District of New York, Chaim is on the mediator panels in both the Southern and Eastern Districts of New York, and has mediated employment discrimination cases, harassment cases, Wage and Hour cases, and breach of contract cases in both the state and federal courts of New York. Chaim spends a great deal of time preparing for the mediations, reviewing all of the submissions, familiarizing himself with the facts and the relevant case law. Using his mediation skills, patience and reputation for fairness, Chaim has achieved success in the vast majority of the cases he has mediated and almost all of his cases resulted in cooperative settlement.

Chaim graduated from Yeshiva University in 1987 and from Columbia University School of Law in 1990, where he was a Harlan Fiske Stone Scholar.
Following graduation from law school, Chaim worked at Parker Chapin Flattau & Klimpl in the labor and employment department, and later at the law firm of Anderson Kill Olick & Oshinsky. In 1996, Chaim, along with his partner, Avraham Moskowitz, founded the firm of Moskowitz & Book, LLP, and was the firm’s Managing Partner until founding Book Law LLP in January 2023.
Chaim has served as an advisor to boards and officers of a number of not-for-profit entities, and has served as a board member as well. Chaim has represented more than a hundred synagogues, churches, and religious elementary, middle and high schools in the area of employment law.
Chaim is a sought after speaker and has presented on various employment law related subjects at a number of conferences and conventions.