He is also a member of Members Welfare, Catering and Library Committee; Trade, Cooperatives, Industrialization and Enterprise Development Committee; Youth Affairs, Sports, Tourism and Wildlife Committee and Wildlife Committee.
Hon Kariuki is serving as the MCA for Murungaru Ward for the second time having been re-elected in the 2017 general elections. He was still the vice chairperson of CASB in the first Assembly.
He also served as the Leader of the Majority Party in the first Assembly and as the Chairman in the defunct Nyandarua County Council having been elected as a councillor for Murungaru Ward.
The Hon Member worked with the National Government between 1992 and 2000 as a surveying technician.
Hon. Kariuki holds a Diploma in Land Surveying from Kenya Polytechnic and is awaiting graduation with a Bachelor’s degree in Community Development at Laikipia University.
He went to Magumu Secondary School for his O levels and proceeded to Kanjuri High School for his A levels. Hon Kariuki is married with four children.