Roger Martin is chair of the Board of Trustees of the Optimum Population Trust.He was a Voluntary Service Overseas in Africa, and was a 1963 civil rights campaigner in Alabama. He was a founder member of the Campaign Against Racial Discrimination. He was a former diplomat, Deputy High Commissioner for Zimbabwe, from 1983 to 1986. On 13 December 2010, he appeared on the BBC News programme "HARDtalk" to discuss his Trust's stance. The Campaign Against Racial Discrimination was a British organization, founded in 1964 and which lasted until 1967, which lobbied for race relations legislation. The group's formation was inspired by a visit by Martin Luther King to London on his way to Stockholm to receive the Nobel Peace Prize.