Currently, Katse Piet Maphoto is the Director of Nuclear Safety in Department of Energy.
November 2010 to date：Board Member and Member of Transformation and Development Committee at the National Nuclear Regulator (NNR).
2013 January to April 2013：Department of Energy , Acting Chief Director: Nuclear Safety and Technology. Overseeing of all matters related to Nuclear Technology, Nuclear Safety and Nuclear Security and Non-Proliferation.
2010 November to date：
Director: Nuclear Safety Liabilities and Emergency Management.
Member of the Institute of Board of Directors in Southern Africa
Member of NNR Board
Chairperson of Eskom and Necsa’s Emergency Planning, Steering and Oversight Committee (EPSOC)
Scientist: Regulatory Support, South African Nuclear Energy Corporation (NECSA)