This study investigates factors that affect the level of motivation and therefore performance among non-academic unionisable staff of the University of Nairobi, with a view of recommending strategies that will motivate them to become performers to improve the institution’s productivity, efficiency and effectiveness. Research has shown that observable non performance of said staff emanates from lack of motivation resulting from some unmet needs. The study tries to identify these unmet needs, their motivational level, and strategies that can possibly meet these needs and motivate them. Within the framework of the Herzeberg’s two factor theory (1959) the study examines how motivation which encompasses forces from within and from without can be improved among the said workers. Herzberg proposes two sets of factors that affect behavior: maintenance (concerned with the job environment) and motivators (concerned with the job content).