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John Mossberg is a shareholder in Reinhart’s Employee Benefits Practice, where he serves as lead counsel to regional and national multiemployer plan clients. His extensive experience equips him to help his multiemployer plan clients comply with intricate benefits laws and achieve their strategic objectives. He is a confident legal partner in this complex area, committed to providing the guidance and leadership that clients need to make sound tactical decisions.

John counsels boards of trustees that administer multiemployer plans governed by the Employee Retirement Income Security Act (ERISA), including health and welfare, defined benefit, defined contribution and apprenticeship training funds. He represents multiemployer clients throughout the United States focusing primarily on plans in the construction industry, but also represents clients in the retail food and printing industries.

John offers clients additional value by proactively identifying potential opportunities and suggesting options that consider both short and long-term benefits and risks. He enjoys his role as a long-standing legal partner to the trustees and collaborates with administrators, actuaries, accountants, consultants and other service providers to provide the best possible outcomes for his clients.

John frequently speaks on fiduciary and other benefits issues at various seminars, including the International Foundation of Employee Benefit Plans’ annual conference.

In his free time, he enjoys running, reading and spending time with his wife and four children.

Education

  • J.D., magna cum laude, Marquette University Law School
  • B.A., Marquette University

Bar Admissions

Wisconsin

Matters

  • Serving as lead ERISA counsel to trustees and multiemployer employee benefit plans

Honors & Affiliations

Honors

  • Best Lawyers in America (Employee Benefits (ERISA) Law; Litigation - ERISA)

  • Wisconsin Top Rated Lawyer Martindale-Hubbell AV® Preeminent Peer Review Rated

Affiliations

  • State Bar of Wisconsin

  • Greater Milwaukee Employee Benefits Council

  • Wisconsin Retirement Plan Professionals, Ltd.

  • International Foundation of Employee Benefit Plans (IFEBP)

News & Insights

Presentations

  • “Defined Contribution Plan Litigation Update,” 2022 Annual Conference, International Foundation of Employee Benefit Plans

  • “Fiduciary Responsibilities,” 2021 Construction Industry Benefits Conference, International Foundation of Employee Benefit Plans

  • “Benefits for Part‑Time Employees,” 2018 Annual Conference, International Foundation of Employee Benefit Plans

  • “Preparing for and Surviving a DOL Audit, 2017 Annual Conference, International Foundation of Employee Benefit Plans

  • “Preparing for and Surviving a DOL Audit,” 2017 Trustees and Administrators Institute, International Foundation of Employee Benefit Plans

  • “Hard to Value Assets,” 2017 Trustees and Administrators Institute, International Foundation of Employee Benefit Plans

  • “ERISA Fiduciary Duties Applicable to Training Funds,” 2016 Apprenticeship and Training Fund Conference, International Foundation of Employee Benefit Plans

  • “Defined Contribution Plan Update,” 2014 Annual Conference, International Foundation of Employee Benefit Plans

  • “Suspension of Pension Benefits: Trustee Responsibilities,” 2013 Annual Conference, International Foundation of Employee Benefit Plans

  • “Roundtable: Construction Withdrawal Liability and Merger Issues,” 2013 Annual Conference, International Foundation of Employee Benefit Plans

  • “Merging Pension Plans and Maintaining Solvency,” 2012 Annual Conference, International Foundation of Employee Benefit Plans

Publications

  • “Who Foots the Bill: The Courts Weigh in on Withdrawal Liability,” Benefits Magazine (Volume 56, Number 4, April 2019).

  • “The Role of the Withdrawal Liability Committee,” Benefits Magazine (Volume 55, Number 9, September 2018).

  • “The Administrator’s Role in Trust Fund Mergers,” Employee Benefit Issues/the Multiemployer Perspective (2005), republished in Benefits & Compensation Digest (Volume 42, Number 9, September 2005).

  • “Use of Mandatory Arbitration Provisions to Recoup Money Owed to ERISA Plans,” ERISA Enforcement and Compliance Guide (BNA) (2006).