World political economies are experiencing dynamic transformations that require substantial adjustments in thernway and manner public organizations operate. Thus, BPR has been emerged and offered to help mediate thisrntransition among other managing techniques for it is found to be the more prominent systems of mapping andrnadapting to the realities of this new and complex order of the world. Moreover, as a philosophy and a strategyrngeared towards enhancing government working system, BPR implementation and practice have now been eitherrnconsidered or adopted in the agenda of renewal of public sector organizations among developed and developingrncountries, both at the local and national levels.rnAccordingly, the Oromia Civil Service and Good Governance Bureau has viewed BPR as part of a shopping listrnof aspirant paradigms that prescribe the ways and approaches to reverse the tide of incompetence, inefficiency,rnredundancy, rigidity and problematic ways of service delivery of the Oromia region bureaucracy (civil service)rnincluding itself. As result, this study is done with the main objective of assessing the major achievements gained andrnchallenges encountered while implementing BPR. To do so, this study employed qualitative research approachrnparticularly descriptive survey in order to get better and deep information. Besides, both primary and secondaryrndata sources were used to examine the issue under discussion. To this end, questionnaire survey was administeredrnby performers.rnIn addition, to better triangulate the study findings interview with key official informants was held as well asrnpersonal observation was undertaken. Accordingly, the study result shows that despite few encouragingrnachievements were registered, multifaceted challenges has been encountered. For instance among major challenges,rnlack of top management focus and involvement, lack of continuous monitoring and evaluation, lack coordinationrnand communication, absence of incentives etc are worth mentioning among many other challenges identified.rnFinally, the study concluded by providing possible recommendations such as top management should be committedrnand be responsible for their action, provision of visible support to performers, proper incentives etc that may help tornaddress those challenges and keep on maintaining the achievements registered so far.rnKeyrnwords :rnrnPublicrnSector,rnBusinessrnProcessrnReengineering,rnImplementation,rnChallenges