(Portland, OR) -- Portland City Commissioner Dan Ryan has announced he won't run for mayor. In 2025, Portland will institute a new form of government that'll bring a new mayor and 12 new city councilors. Ryan says he plans to continue leading on complex challenges facing the city. Ryan says he'll announce what's next by the end of January. City Councilor Mingus Mapps announced earlier in the fall that he will run for mayor.