Career
He was previously the Leader of the Opposition in the KwaZulu-Natal Provincial Legislature, on behalf of the Democratic Alliance (District Attorney) and its leader, Mmusi Maimane. He was elected leader of the District Attorney in KwaZulu-Natal during the 2009 Provincial Congress. He tendered his resignation on 18 October 2010, effective from 24 October.
His deputy, Sizwe Mchunu, is his successor.
Steenhuisen was born in the city of Durban and he attended Northwood School. Steenhuisen was elected to the then Durban City Council in 1999 at the age of 22, making him one of the youngest councillors in the history of the City.
In 2006 he was elected the caucus leader of the official opposition, the Democratic Alliance, on the eThekwini council and served on the City’s Executive Committee. He represented Durban North for 10 years until the 2009 General Election where he was elected leader of the District Attorney caucus in the KwaZulu-Natal Provincial Legislature.