This study was intended to look into, impact of on the job training on employee’s performance in Wellega University of academic staffs. The sample selected for the study was one hundred two (102), from the total population of eight hundred ninety seven academic staffs on duty in 2010/18 academic year (897) of which (130) male and sixty seven (67) female in 2018/10 academic year. This study has revealed that trained employees are more willing to continue working in the same organization after being trained than those who are not yet trained. One big result is that there is no feedback obtained after training session, training given at wollega university were not by professional trainers and hence, respondents shown their degree of reservation on knowledge and experience of trainers.