Nadine Bejjani is an assistant professor at the École Supérieure d'Ingénieurs de Beyrouth (ESIB) at the Saint-Joseph University (USJ), within the preparatory classes department. She obtained her Bachelor's degree in Mathematics in 2013 from the Faculty of Sciences at Saint-Joseph University, followed by a Master's degree in Analysis and Probabilities for Partial Differential Equations in 2015. In 2019, she obtained her PhD in Mathematics through a joint supervision between Saint-Joseph University of Beirut and the École Nationale des Ponts et Chaussées of the Paris-Est University, France. After completing her degree, Nadine taught at several institutions, including the Faculty of Sciences (FS), the Faculty of Engineering and Architecture (FIA) at Saint-Joseph University of Beirut, as well as the Holy Spirit University of Kaslik (USEK). Her research focuses on numerical analysis, partial differential equations, and the method of asymptotic expansions.