Antone has served for more than twenty years with the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) in various roles, from chief planner to chair of the board of trustees. He has also served on the boards of the Northwest Area Foundation, the Crow Shadow Institute, and the Affiliated Tribes of Northwest Indians (ATNI), including as president of the ATNI board.
In 2022, Ecotrust named the Redd on Salmon Street’s board room “Big Dawn” in celebration of Antone Minthorn, Pacific Northwest Indigenous leader and longtime Ecotrust board member.