He was appointed Commissioner of Health, Taraba State and Chairman of the Medical Advisory Committee, Gwagwalada Specialist Hospital.
[1] In a mid-term evaluation of Senators in May 2009, ThisDay noted he had sponsored bills for amendment of the Nigeria Christian Pilgrims Commission Act, Nation Security Enhancement, amendment of the Psychiatric Hospital Management Board Act, University of Abuja College of Medicine, Mental Health, and Free Medical Centres.
[4] In October 2008 Manzo was the sponsor of a motion titled "Global Credit Crisis and its Impact on Nigeria" which was cosponsored by nineteen other senators.
The motion criticized the recent bank consolidations under CBN governor Chukwuma Soludo, recommended improvements to bank regulation and supervision, and called on the Federal Government to pay debts owed local contractors and pensioners in order to reduce the credit crunch, among other things.
[5] In an article published in ThisDay in November 2008, Manzo made the case that projects to develop Nigeria were of no value unless the people of the country could return to basic principles of honesty and integrity.