Martinus Josephus Maria "Tiny" Kox (born 6 May 1953 in Zeelst) is a Dutch politician. As a member of the Socialist Party (SP) he has been a member of the Senate as well as Senate leader since 10 June 2003.Kox studied law at Tilburg University. From 1975 to 1978 he worked in Tilburg law centre, in 1978 at the municipality of Oosterhout, and from 1978 to 1982 again he was a member of the Tilburg law centre. From 1981 to 1994 he was editor-in-chief of Tribune, SP's member party magazine, and from 1982 to 1999 he was SP faction leader of the municipal council of Tilburg. Furthermore, he has been exercising several jobs in the party executive. Wikipedia