Mthethwa was born and raised in a village known as eSabhuza in KwaZulu-Natal, South Africa.

He has his: Bachelor of Science (BSc) in Mathematics & Statistics, with some Computer Science features BSc Honours in Pure Mathematics (2012), Masters in Pure Mathematics by research (2013-2014) and PhD in Mathematics (2015-2018).

He is now a Lecturer & Coordinator in Access Programme at UKZN (2014-2019) Mathematics Engineering Ad Hoc Lecturer (2015-2016) Started Mthethwamatics (2016) Training Coordinator at MiET Africa (2017-2018) Canaan College Maths Consultant (2019) Mathematics Lecturer at UKZN (2019-To Date)

Over and above presentations of his research in conferences & Mthethwamatics, he has been invited to speak at the following events; The Youth Business Connect (EThekwini Municipality, Durban) UKhozi FM, Isidlo Sasekuseni Morning Shown and Academic Awards (NSA, Wits).