He is also a member of Justice, Legal Affairs and Public Service Committee; Trade Cooperatives and Industrialization Committee; Public Accounts and Investments Committee and Liaison Committee.
Hon Mathu holds a Diploma in Water Resources Management from Kenya Water Institute and a Diploma in Community Development and Social work from Mount Kenya University.
Before he joined the Assembly, he was the Director of Sawath Africa Sawmill. He has also worked in the technical department of Nakuru Water and Sanitation Company.
Other responsibilities he held previously were being the treasurer on Mirangine Youth SACCO, vice chairman of Mirangine District Youth Council and treasurer of Nakumira Company. He also served as the member of the Board of Management at Gituamba and Kibendera primary schools.
He is married with one daughter