The aim of the dissertation is to identify organizational stress management interventions, analyze their effectiveness and create a systemic work related stress management model. Based on scientific literature there is revealed the genesis of the concept of stress, analyzed stress models, identified main work related stressors, analyzed stress management interventions and disclosed their effectiveness by reducing work related stress. There is revealed organizational stress management interventions which have been studied neither theoretically nor empirically were identified. The systemic work related stress management model is reasoned on the grounds of the theoretical analysis. The model was tested empirically in Lithuanian energy sector. The empirical study employs the survey method for data collection. The empirical study disclosed impact of social demographical characteristics on work related stress, and identified main stressors in Lithuanian energy sector: responsibility for other people, workload, role conflict, working conditions. The empirical study has fundamentally proved that organizational stress management interventions are efficient when they are applied systemically. The overall level of work related stress is reduced and individual stressors are influenced by social support, career management, interventions ensuring work – life balance, person's knowledge and skills fit to workplace requirements and task identity. On the grounds of the study conducted recommendations for organizations how to manage work related stress.

Raktažodžiai: work related stress, stressor, organizational stress management interventions