Tā Mark Wiremu Solomon KNZM, Ngāi Tahu, Ngāti Kurī, served as kaiwhakahaere of Te Rūnanga o Ngāi Tahu, the tribal council of Ngāi Tahu, for approximately 18 years, from 1998 until 2016. He was founder of the Iwi Chairs Forum, and stepped down as deputy chair of the Canterbury District Health Board in late 2020.