أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
many reasons
- if he found a better job
- if there is no possibilities for promotion
- if his manager is a lousy manager (refer to the answers of the lousy manager question?
- if the company is not stable
- if the compensation is not good
many other reasons with the condition of he found a better job.