[2] He assumed office on 8 July 2017 on acting capacity after the death of Joseph Ole Nkaissery, making him hold two cabinet positions concurrently, that is in the ministry of Interior and Coordination of National Government and Education, Science and Technology.

[5] Matiang'i had served as the Eastern Africa regional representative for the Centre for International Development, Rockefeller College of Public Affairs and Policy, the State University of New York before being nominated as the Cabinet Secretary for Information Communication and Technology on 23 April 2013.

[10] Within a short period of time at the helm of the ministry, he sent home officials from the examining body KNEC and restructured the security procedures surrounding the handling of the exam papers.

This was as a result of his tenure at the Ministry of Information Communication and Technology in which he ensured that the country had gone through the phase of digital migration despite protest from broadcasters and controversies surrounding the award of frequencies and tenders of the same.

Following this, the Cabinet Secretary indicated that[15] What was witnessed at Uhuru Park was a well-choreographed attempt to subvert or overthrow the legally constituted Government of the Republic of Kenya Following his press briefing, officers from the Flying Squad picked up some individuals aligned to the opposition and some media personalities for questioning regarding their association with the swearing in of Raila Odinga the day before.