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Grace joined AFSCME Council 65 as a Labor Representative in May 2023. She represents the following local unions:
- Local 0162-0000 Brown County
- Local 0169-0001 Huron City
- Local 0169-0002 Beadle County
- Local 0169-0003 Kingsbury County
- Local 0519-0001 Sioux Falls City
- Local 1025-0000 Sioux Falls School
- Local 1031-0000 Rapid City
- Local 1052-0000, 0001 Vermillion City
- Local 1743-0000 Hutchinson County
- Local 1953-0000 Brookings School
- Local 2253-0000 Lincoln County
- Local 2253-0001 Canton City
- Local 2488-0001 Codington County
- Local 2488-0002 Watertown City
- Local 2561-0000 Minnehaha County
- Local 2589-0000 South Dakota Development Center
- Local 2922-0000 Mitchell City
- Local 3968-0000 Yankton City