Dr. Zhirayr Avetisyan did his PhD at Max Planck Institute for Mathematics in Sciences and University of Leipzig. His Thesis topic was “Mode decomposition and Fourier analysis of physical fields in homogeneous cosmology”. Dr. Avetisyan received lifetime membership to the International Society for Analysis, its Applications and Computation (ISAAC) in 2021, and in 2020, became a full member of Sigma Xi.