Akram Ben Aissa was born on June 26, 1986, in Eljem, Tunisia. A graduate with high honors from the Faculty of Sciences in Monastir, Akram's academic prowess earned him a Master's degree in Mathematics in 2011. In 2016, Akram earned his Ph.D. in Mathematics from the University of Monastir. His thesis, "Grushin problems and Control theory of PDEs". Akram's research interests span Control theory of Partial Differential Equations, Functional Analysis, and Stability and Control of PDEs. With an impressive publication record, including works on viscoelastic wave equations and second-order evolution equations, he continues to shape the mathematical landscape. In 2022, armed with a Habilitation à diriger des recherches (HdR) from the University of Sousse, he is now an associate Professor at University of Sousse, Tunisia.
Khaled Zennir was born in Algeria 1982. He received his PhD in Mathematics in 2013 from Sidi Bel Abbès University, Algeria (Assist. professor). He is now associate Professor at Qassim University, KSA. His research interests lie in Nonlinear Hyperbolic Partial Differential Equations: Global Existence, Blow-Up, and Long Time Behavior.