Mooney, Green,
Saindon, Murphy & Welch
A Professional Corporation


Olga Metelitsa Thall represents employee benefit plans, unions, employees, and professional associations in a wide range of litigation and transactional matters. Ms. Thall represents employee benefit plans in litigation before state and federal courts and at arbitration covering a variety of matters, including denial of benefit claims, breach of fiduciary duty claims, disclosure requirements, service provider disputes, withdrawal liability disputes, collections actions, bankruptcy claims, and retiree health, and claims under the Coal Industry Retiree Benefit Act of 1992.

Ms. Thall also represents employee benefit plans and related entities before administrative agencies, ranging from the creation and approval of new IRC 501(c)(2), 501(c)(3), and 501(c)(9) entities; applications under the Internal Revenue Service’s voluntary correction program; requests to the Internal Revenue Service for private letter rulings; plan audits of fiduciary standards, reporting, and disclosure requirements by the U.S. Department of Labor, requests to the U.S. Department of Labor for prohibited transaction exemptions, and advocacy before the Pension Benefit Guaranty Corporation and the Internal Revenue Service seeking regulatory change.

In addition, Ms. Thall regularly advises plan sponsors, fiduciaries, and administrators on day-to-day matters involving fiduciary duty, the design and redesign of plan benefits, plan documents, plan interpretation, reporting and disclosure requirements, regulatory compliance, vendor contracts, investment review and implementation, qualified domestic relation orders, internal recordkeeping, and cybersecurity.

Outside of employee benefits law, Ms. Thall has also represented unions, employees, and professional associations in various labor, employment, and regulatory matters. Notable areas include defending numerous challenges under the union election requirements of the Labor- Management Reporting and Disclosure Act of 1959 and the organization of local taxicab drivers to advocate for regulatory changes. Prior to joining Mooney Green, Ms. Thall clerked at the American Red Cross, the National Labor Relations Board, the U.S. Department of Labor, and the Service Employees International Union.

Ms. Thall has been named a Rising Star Super Lawyer in employee benefits law in the District of Columbia each year since 2019. Ms. Thall earned her J.D. from The George Washington University Law School in 2012, where she received the Pro Bono Service Award and The George Washington University Law School Public Interest Scholarship. While in law school, Ms. Thall represented low-wage workers for the GW Public Justice Advocacy Clinic and reviewed criminal cases for the Mid-Atlantic Innocence Project. Ms. Thall obtained a B.A. in Political Science and French, cum laude, from the University of Rochester in 2007. Prior to commencing her legal career, Ms. Thall worked in financial services and fund accounting at State Street Corporation and interned at the Paris-based Vovan & Associés Co. law firm.

Olga Metelitsa Thall
Rated by Super Lawyers

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1920 L Street, NW
Suite 400
Washington, DC 20036
(202) 783-0010
(202) 783-6088 (fax)
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