After completing his post-graduate in Account Management and Media in 1996, Nkululeko worked for the FCB Group 1997 to 2000. He joined Vodacom in 2000 as Brand Manager and in 2001 was appointed to Vodacom International’s commercial division which saw him being seconded to the newly established Vodacom Congo as Executive Head of Marketing. On his return from the Congo assignment, Nkululeko was appointed Marketing and Sales Director and sat on the board of Vodacom Lesotho before founding Sandulela Technology in 2003. In 2017, Sandulela was acquired by Kazang. Nkululeko remains the CEO of Sandulela and has since joined the Executive Committee of Kazang Connect as well stepping into the role of Director for the Business Development team.