Justice Zak Yacoob served as a Constitutional Court judge from February 1998 until his retirement in January 2013. Justice Yacoob has been a life-long human rights lawyer, rising to prominence during the apartheid years. He represented, among others, the Durban Six, the United Democratic Front in the Delmas treason trial, and the African National Congress in the Operation Vula trial. Justice Yacoob, who is himself blind, has also been closely involved in the KwaZulu-Natal Blind and Deaf Society, has sat on numerous school committees and has served as chairperson of the South Africa National Council of the Blind.