Johannesburg - The Presidency has appointed Dr Bongani Ngqulunga as deputy director general and head of the private office of the president."Dr Ngqulunga has been acting in that position since the appointment of the previous incumbent, Ms Lakela Kaunda, as the chief operations officer in the Presidency on November 1 2014," it said in a statement on Thursday.Ngqulunga joined the Presidency in 2006. He also worked as acting chief of staff in the office of the director general and secretary of cabinet in the Presidency between 2010 and 2011."Ngqulunga has been working in the position of chief director of special projects in the private office of the president since March 2010 [where] he provided support to the president in his programme to monitor and evaluate the performance of government departments, provinces and municipalities as well as ministers. "The presidency wishes [him] all the best in his new responsibilities."According to the Presidency, his qualifications include a Bachelor of Pedagogics degree and Bachelor of Education degree from the then University of Durban-Westville; a Master of Science in Development Studies from the then University of Natal (Durban) and a PhD from Brown University in the US.