Abstract
Developing project managers are common issues in each organization. The projects currently curried out have strongly been demanded shorter time-to-market and lower cost. It is seemed that educating project managers by OJT, that has been effective so far, have limitations in the viewpoint of human resource and time to be taken. There are a lot of situations that needs project manager's timely decision depending on each condition, and the issues concerning educating project managers will not be resolved by acquiring only the necessary knowledge. It is very important for project managers to acquire both the fundamental ways of thinking and the best action it should be taken in a situation. Mentoring is one of the best techniques to acquire not only knowledge but also know-hows and the competency by receiving a lot of suggestions from the mentor. In this paper, more effective execution scheme of mentoring is described.