Most building construction projects in Ethiopia have a problem to complete with the scheduled time frame, estimated budget, expected quality, etc. Those problems are a combination of technical and human skill factors. Thus, the purpose of this Book is to assess the competence of construction project managers and its impacts on project success in the case of Bahir Dar city public building construction projects. The study covers only Grade -1 general and building contractors. Purposive sampling technique was used to select the research population. Both primary and secondary data are collected to achieve the intended research objectives. Questionnaires and semi-structured interviews were employed as instruments of data collection. The respondents were project managers, site engineers, office engineers and site supervisors.