Karel Mazanec

Mazanec Karel

Karel Mazanec is an associate in the Labor and Employment Group in Washington, DC. His practice focuses on representing and counseling employers across a wide variety of industries, including healthcare, education, construction, financial services, government contractors, nonprofit organizations, and the public sector.


Representative Matters

Employment Litigation

Karel assists clients with a broad range of litigation matters, including discrimination, harassment and retaliation, wage and hour, whistleblower and employment contract disputes, under both federal and state laws. Some of his recent matters include:

  • Winning an arbitration before the International Centre for Dispute Resolution that dismissed all age discrimination claims brought against a global health partnership
  • Representing a construction client in D.C. superior court seeking to dismiss whistleblower and discrimination claims brought under a joint-employer theory
  • Drafting an EEOC Position Statement on behalf of a government contractor client sued by a former employee claiming that the employee was unlawfully terminated because of a disability

Labor Relations

Karel counsels employers on a multitude of labor relations and compliance issues, and represents clients in grievance arbitrations and matters before the NLRB. His recent activities include:

  • Representing a major healthcare system in a collective action grievance alleging wrongful discharge following a mass layoff of employees
  • Attaining a dismissal of an Unfair Labor Practice charge alleging that the employer failed to bargain in good faith and did not furnish the union with relevant information
  • Drafting the winning post-hearing brief for a large public sector client following an interest arbitration hearing

Employment Counseling

Karel has experience working with clients to develop personnel policies and employee handbooks, address compliance issues under federal wage and hour laws, and make hiring, termination and other personnel decisions. He has helped employers draft a variety of employment documents, including employment contracts, independent contractor agreements, confidentiality agreements, non-competition and other restrictive covenant agreements, and severance agreements. Some representative matters include:

  • Counseling a name brand multinational corporation on compliance with Title III of the ADA with respect to the client's websites, kiosks and other touchscreen devices
  • Advising a financial services client on its employee non-competition and non-solicitation agreements under state law
  • Developing guidance on the requirements and potential impact of new OSHA regulations on the operations of a major retail client




  • J.D. William & Mary Marshall-Wythe School of Law 2015
    • Executive Board Member, William & Mary Moot Court Team
    • Staff, William & Mary Law Review
  • B.A. Political Science and Psychology University of North Carolina at Charlotte 2010

Bar Admissions

  • District of Columbia
  • Maryland


Personal Activities

Karel graduated from the William & Mary Marshall-Wythe School of Law, where he was an executive board member of the William & Mary Moot Court Team and a member of the William & Mary Law Review. He holds a B.A. in political science and psychology from the University of North Carolina at Charlotte.

His pro bono commitments include serving as a volunteer attorney for local immigration consultation clinics sponsored by the DMV Immigration Alliance.