Relevance. The growing interest in assessment, development and maintenance of professional success is actual in the field of organizational psychology. It emphasizes the need to study the role of effective functional state self-regulation as a factor of professional success. 

Objective. The objective of this article is the systematization of the results of a number of studies on the analysis of effective functional state self-regulation as a factor of professional success.

Method. The complex diagnostic package was used. It includes surveys and questionnaires for analysis of subjective image of working conditions and personal current functional state, means of functional state self-regulation, the symptoms of chronic negative functional states and professional personal deformation as consequences of functional state self-regulation system failure.

Results. The results revealed that the features of the effective functional state self-regulation system as a factor of professional success are associated with the plastic adaptation repertoire of self-regulation means and techniques of highly successful professionals, applied adequately to the working conditions of increased job intensity of short-term and prolonged type.

Conclusions. The obtained results confirm the key importance of specialists` functional state self-regulation in supporting and providing of professional success. This phenomenon is particularly evident in the tensed working condition.