Human capital management in sustainable development conditions means, in everyday practice, taking care of the welfare of employees, understood, i.a., as a friendly atmosphere in a team, stable, and free from stress and conflicts. The author has analysed several cases of conflicts in employee teams connected with personnel movement in order to answer the following research questions: What are the characteristics of employee teams susceptible to the emergence or escalation of conflicts to levels destructive for the organisation, what types of interpersonal conflicts escalate in the analysed situations, which factors are a catalyst and which factors block conflict? Conclusions from the analysed cases allow the author to describe the main thre...