Photo of Yonatan Grossman-Boder

Yonatan (Yoni) Grossman-Boder is a special labor relations counsel in the Labor & Employment Law Department. Yoni assists clients in a wide range of labor and employment law matters, including litigations, administrative proceedings, arbitrations, internal investigations, labor-management relations and claims of employment discrimination, harassment, retaliation, and wrongful termination. He frequently represents clients across a variety of industries and sectors, including educational institutions, financial services, media and entertainment companies, health services and professional services.

Yoni clerked for the Honorable Richard M. Gergel of the U.S. District Court for the District of South Carolina.  While attending Duke University School of Law, Yoni served as the publication and lead articles editor of Law and Contemporary Problems.

Prior to coming to Proskauer, Yoni served as a legal intern at the New York Human Resources Administration Employment Law Unit. As a legal intern, he worked on a variety of employment matters, including employment discrimination investigations and litigation. While a summer associate at Proskauer, Yoni co-authored an article on retiree health care benefits under ERISA titled "Understanding M&G Polymers v. Tackett," published by Benefits Magazine in April 2015.

New York construction-industry employers should be aware of a significant change to the state’s Paid Family Leave (“PFL”) law.  On December 19, Governor Kathy Hochul signed Assembly Bill 4727 (“A4727”) into law, expanding PFL eligibility to many construction workers who work for multiple employers under a collective bargaining agreement each

On December 18, 2025, the U.S. Senate confirmed the appointments of Members Scott Mayer and James Murphy, and General Counsel (“GC”) Crystal Carey, to the National Labor Relations Board (“NLRB” or the “Board”).  Eleven months after Member Gwynne Wilcox’s unprecedented firing, the Board has regained a three-Member quorum and

In a significant decision, the Third Circuit Court of Appeals held on December 3, 2025 that federal courts lack jurisdiction to issue injunctions that would halt ongoing National Labor Relations Board (“NLRB”) administrative proceedings—even when an employer frames its challenge as a constitutional attack on the NLRB’s structure.

The ruling

UPDATE: On December 3, 2025, the Senate Health, Education, Labor and Pensions (“HELP”) Committee approved President Trump’s nomination of Scott Mayer to fill one of the vacant Republican seats on the National Labor Relations Board (“NLRB” or the “Board”).  Almost two months ago, on October 9, the HELP Committee also

On December 5, 2025, a divided D.C. Circuit panel held that for-cause job-removal protections for members of the National Labor Relations Board (“NLRB” or “Board”) and Merit Systems Protection Board are unconstitutional because they violate Article II.

The ruling has immediate consequences for the NLRB and sets up a direct

On December 1, 2025, in NLRB v. Constellis, LLC, a unanimous Fourth Circuit panel joined other federal appellate courts in narrowly interpreting the National Labor Relations Act’s (“NLRA” or the “Act”) judge-made managerial exception, which carves out certain high-level employees from the NLRA’s protections.

The decision reinforces the decades-long

On November 26, 2025, a New York federal judge granted Amazon’s bid for a preliminary injunction barring the enforcement of recent amendments to the Empire State’s State Employment Relations Act (“SERA”) that would have subjected most private-sector employers within the state to the jurisdiction of the Public Employment Relations Board

On June 25, 2025, William B. Cowen, the Acting General Counsel of the National Labor Relations Board (“NLRB” or “Board”), issued GC Memorandum 25-07 to the Board’s 26 regional offices arguing that if an employer or union surreptitiously records collective bargaining negotiations then they automatically violate the National Labor Relations