Mark A. Johnson

Of Counsel || Milwaukee

Mark A. Johnson has a wide range of experience representing businesses in matters involving labor and employment law. Mark has represented employers in hundreds of cases in federal and state courts and before federal and state administrative agencies in Wisconsin and throughout the country. His practice also includes advising employers on how to avoid litigation. Mark is a frequent speaker on topics related to litigation and labor and employment law.

Mark has extensive experience defending employers against claims of employment discrimination and retaliation under federal and state law. He has also represented clients in ERISA litigation in courts throughout the country. Mark regularly counsels employers and tries cases involving covenants not to compete and non-disclosure agreements. Areas of focus include wage and hour, hiring and discharge, arrest and conviction record, employment contracts, covenants not to compete, downsizing, fiduciary duty of loyalty, non-disclosure agreements, employee handbooks, harassment claims and investigations, retaliation, union organizing, unfair labor practices and arbitration.

Mark is admitted to practice in Wisconsin and before numerous courts, including the U.S. District Courts for the Eastern and Western Districts of Wisconsin, the U.S. District Court for the Northern District of Illinois, the U.S. Court of Appeals for the Seventh Circuit, and the U.S. Supreme Court.

Learn more about Mark A. Johnson

Representative Cases


Admittance to Practice

Professional Activities

  • Seventh Circuit Bar Association
  • Eastern District of Wisconsin Bar Association
  • State Bar of Wisconsin (Labor and Litigation Sections)
  • Milwaukee Bar Association (Labor Law and Litigation Sections)
  • Village of Whitefish Bay Board of Appeals (Chairperson)
  • Mentor – Eastern District of Wisconsin Bar Association – The Honorable Charles J. Clevert Mentoring Program (2017-2018, 2018-2019)


Best Lawyers Award Badge

Legal Technology Core Competencies Certification Coalition

Insights by Mark A. Johnson