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Kevin M. Sibbernsen


P 603-559-2700
F 603-559-2701


Kevin M. Sibbernsen is a Principal in the Portsmouth, New Hampshire, office of Jackson Lewis P.C. Mr. Sibbernsen routinely advises clients regarding compliance with state and federal labor and employment laws, including those related to wage and hour issues, employee discipline and discharge, disability management and leave of absence issues, as well as reductions in force.

Mr. Sibbernsen also regularly advises clients regarding traditional labor law issues, including employer rights and obligations under collective bargaining agreements and the National Labor Relations Act. Mr. Sibbernsen has defended employers in litigation in state and federal courts, including wage and hour litigation and litigation under the Employee Retirement Income Security Act (ERISA), Sarbanes-Oxley Act, and state and federal anti-discrimination statutes, and has represented employers in administrative proceedings before the Massachusetts Commission Against Discrimination.

While attending law school, Mr. Sibbernsen was the Executive Notes Editor for the Georgia Journal of International and Comparative Law.

Honors and Recognitions

Kevin M. Sibbernsen
Rated by Super Lawyers

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Published Works

  • "Looking for Water Down Under," Georgetown International Environmental Law Review XXI.4 (January 2009) [Author]
  • "Employees as Family Caregivers: What Every Lumber Retailer Needs to Know About the Laws That Cover Them," The Lumber Co-operator November-December (November 2008) [Co-Author]
  • “Misclassified Employees: The Dangers of Misusing Independent Contractors," The Lumber Co-Operator (2009) [Co-Author]

See AllKevin M. Sibbernsen in the News

June 28, 2019
Business NH Magazine

Debra Weiss Ford and Kevin Sibbernsen Author "Interrupting Unconscious Bias in the Workplace"

June 28, 2019

 Debra Weiss Ford and Kevin Sibbernsen author "Interrupting Unconscious Bias in the Workplace," published by Business NH Magazine.  Subscription may be required to view article Read More

May 7, 2018
Law 360

Jackson Lewis' Recently Elevated and Promoted Attorneys Spotlighted

May 7, 2018

Jackson Lewis’ newly elevated and promoted attorneys are featured in "Law360 Names Attys Who Moved Up The Firm Ranks In Q1,” published by Law360. Subscription may be required to view article Read More

January 9, 2018
Jackson Lewis

Jackson Lewis Celebrates 14 Newly Elevated Principals

January 9, 2018

WHITE PLAINS, NY (January 9, 2018) Jackson Lewis P.C., one of the country’s preeminent workplace law firms, is pleased to congratulate the firm’s 14 newly elevated Principals. “The selected attorneys have demonstrated an extraordinary amount of dedication to client service and have helped us increase the depth and breadth of our... Read More

See AllBlog Posts by Kevin M. Sibbernsen

NLRA Preempts Municipality’s Right-to-Work Ordinance, Seventh Circuit Holds
October 18, 2018

While the National Labor Relations Act allows states to enact right-to-work laws, it does not authorize local municipalities to do so, the U.S. Court of Appeals for the Seventh Circuit, in Chicago, has held. I.U.O.E. Local 399 v. Village of Lincolnshire, No. 17-1300 & 17-1325 (7th Cir. Sept. 28, 2018). Read More

NLRB General Counsel Urges Reversal of Purple Communications Email Rule
October 1, 2018

The National Labor Relations Board’s office of the General Counsel is urging the Board to overrule its decision in Purple Communications, Inc., 361 NLRB 1050 (2014), which allowed employees to use employer email systems for NLRA Section 7 purposes (e.g., union organizing and protected concerted activity) during nonworking time. Read More