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William C. Zifchak

William C. Zifchak

Retired Partner

New York
T: +1 212 836 8743
F: +1 212 836 8689

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  • Columbia Law School
    JD, 1973, Stone Scholar; Managing Editor, Columbia Journal of Law & Social Problems
  • Harvard University
    BA, cum laude, 1970

Bar Admission(s)

  • New York
  • US District Court for the Southern, Eastern and Northern Districts of New York
  • US Court of Appeals for the Second, Third and District of Columbia Circuits


  • Co-Chair, Labor and Employment Law Committee, Commercial and Federal Litigation Section, New York State Bar Association (1995–97)
  • Member, Antitrust, RICO and Labor Law Committee of Section of Labor and Employment Law, American Bar Association (1975–present)

William Zifchak is a Retired Partner in the Employment and Labor Law group of Kaye Scholer’s Litigation Department. He served as a member of Kaye Scholer’s Executive Committee from 1986 through 1991, and co-chaired the firm’s Labor and Employment Law Department from 1983 to 1998. Mr. Zifchak has concentrated his practice at Kaye Scholer for over thirty years in employment and labor relations litigation and counseling, representing primarily management in a wide spectrum of industries. He has notable experience with employment rights and employment discrimination litigation; disputes involving professional firms and closely held corporate entities, workforce reorganizations and defense against class and collective actions; labor and employment relations issues pertinent to mergers, acquisitions, corporate restructuring and bankruptcy; the WARN Act; NLRB practice and related court litigation; executive employment contracts and separation agreements; arbitration and litigation of disputes arising under labor, commercial and executive employment agreements, including enforcement of ADR agreements and restrictive covenants; labor-bankruptcy; formulation of workplace policies and programs, including ADR procedures; occupational safety and health; and the application of antitrust laws to labor and employment disputes.

Mr. Zifchak is a regular lecturer at national Continuing Legal Education seminars sponsored by PLI, American Bar Association, Law Journal Seminars-Press, Second Circuit, California Business Law Institute, Prentice-Hall Law & Business and Executive Enterprises, among others. He has regularly guest lectured at Cardozo Law School on ADR in labor relations. His speeches have been featured in BNA’s Daily Labor Report and The National Law Journal. He has authored and co-authored numerous articles and papers in the field, including, “Strikers, Replacements, and S.2112: Full Employment Law for Organized Labor?” in Proceedings of New York University’s 43rd National Conference on Labor 53 (Stein, ed.) (1990); “S.54: AARP’s Poison Pill for Retirement Incentives,” New York Law Journal (June 29, 1990), with Jay W. Waks, Esq. and David E. Prager, Esq.; “Automation, Technological Change and the Limits of Collective Bargaining: A Management Perspective,” in Labor Law and Business Change (Estreicher and Collins, eds.) (1989); “Collective Bargaining and the Antitrust Laws: The Emasculation of the Labor Exemption,” 81 Columbia Law Review 459 (1981), with Professor Milton Handler; and “Agency Deferral to Private Arbitration of Employment Disputes,” 73 Columbia Law Review 1383 (1973), with William J. Isaacson, Esq.

Mr. Zifchak was a member and secretary of the Committee on Labor and Employment Law of the Association of the Bar of the City of New York from 1984 to 1987. In addition to his participation in other bar association committees, he served on the Planning Committee of the New York University Annual Conference on Labor from 1991 to 1995. He also co-chaired the Labor and Employment Law Committee of the New York State Bar Association from 1995-97.