Mr Chediel K. Raphael graduated from the Dar es Salaam Institute of Technology (DIT) with Advanced Diploma in Electronics and Telecommunication Engineering in 2002. He obtained his Master's degree in Engineering Management (MEM) from the University of Dar es salaam in 2008, specializing in Engineering Project Management. He attended several professional courses on Microelectronics Engineering in Japan and Computer Hardware Maintenance in India. He is a registered Graduate Engineer with the Engineers Registration Board (ERB) of Tanzania.

Me Raphael's areas of competence include repair and maintenance of computer hardware and all other electronic equipment. He is also an expert in the management of electronic wastes. Currently, he is working with the Department of Electronics and Telecommunication Engineering (ETE) as a Senior Laboratory Engineer. He is involved in the supervision of practical courses in electronics.