1. Working as an International  Scientific Committee member of  "International Arab Conference on Mathematics and Computations",  April 24-26, 2019. The conference website is http://iacmc.zu.edu.jo/eng/?

2. Working as an International  Scientific Committee member of  "7th International Conference on Functional Differential Equations",  April 24-26, 2019, at Ariel University, Israel. Details of the conference can be found in  https://olympnonreg.wixsite.com/equations2019 and http://www.ariel.ac.il/projects/math/2019/