Sean W. McDonald


Telephone: (510) 337-1001

William S. Boyd School of Law, University of Nevada, Las Vegas, J.D., 2012
University of Nevada, Reno, B.A., 2008

Sean W. McDonald joined Weinberg, Roger & Rosenfeld in 2020. Mr. McDonald is licensed to practice law in Nevada and Washington State. He is based in Las Vegas.

Mr. McDonald joins the firm from another union-side firm and brings with him experience representing private and public sector labor unions and their related employee benefit funds. He has represented clients in state and federal courts, labor arbitrations, and administrative proceedings. He also has experience with regulatory compliance matters, governmental affairs, and appellate work.

On the union side, Mr. McDonald advises and represents unions, both public and private sector, on a wide variety of subjects, including organizing new contractors and members; contract negotiations; administering internal union affairs, policies, and programs; enforcing collective bargaining agreements; and the duty of fair representation. Mr. McDonald prosecutes grievance arbitrations and appears before administrative agencies, including the NLRB and Nevada EMRB, both in pre-complaint investigations and in administrative hearings. He also represents unions in litigation matters, both in plaintiff- and defense-side litigation.

On the employee benefits side, Mr. McDonald advises Taft-Hartley benefit fund trustees and personnel on a full range of issues, including drafting and review of plan documents, service provider contracts, participant communications, legal and regulatory compliance, and withdrawal liability. His litigation experience includes ERISA collections, including ancillary creditor-side bankruptcy work, and defense work, including benefit and breach of fiduciary duty claims.

Mr. McDonald received his J.D. cum laude, was a member of the Nevada Law Journal, and earned high-grade honors in Legislation and Statutory Interpretation. He also served as a legal extern with a private firm’s governmental affairs practice group during Nevada’s 2011 legislative session. He received his B.A. cum laude in Political Science with a minor in American History.

Bar Admissions:
Nevada, 2012
Washington State, 2015
U.S. Court of Appeals, Ninth Circuit
U.S. District Court, District of Nevada
U.S. District Court, Western & Eastern Districts of Washington
U.S. District Court, Central District of Illinois
U.S. Bankruptcy Court, District of Nevada
U.S. Bankruptcy Court, Western & Eastern Districts of Washington

Practice Areas:
Labor Arbitrations and Collective Bargaining Negotiations
Employee Benefit Plans and Union-Related Trust Funds