Member of Editorial Board of the scientific journal 
Carpathian Mathematical Publications
Reviewer of the scientific journals
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- Carpathian Mathematical Publications
- Publicationes Mathematicae
- Matematychni Studii
- PiMuEpsilon Journal
- Turkish Journal of Mathematics
Reviewer in 
Mathematical Reviews
Member of 
Scientific Society named after T. Shevchenko in Lviv, Ivano-Frankivsk branch
Member of 
American Mathematical Society
Member of Specialized Scientific Council K 20.051.09 on defense of dissertations for obtaining the candidate of physical and mathematical sciences degree
Member of Academic Council of 
Department of Mathematics and Computer Science of 
Vasyl Stefanyk Precarpathian National University