Khalfan has BSc and MSc in electrical engineering from Sultan Qaboos University in 2008 and 2013, respectively. He has recently finished his PhD. in electrical engineering from Sultan Qaboos University.

He started his career as a control engineer in the Load Dispatch Centre, OETC, then as an electrical engineer in Worely Parsons Consultant Company in Oman. Currently, he is section head of protection in the Distribution Code Review Panel.

His research area of interest is power system protection and control and artificial intelligence applications in power systems.

He participated in several conferences and published several research articles in the area of research of interest.