Alexander Farrugia is a mathematics senior lecturer at the Ġ.F. Abela University of Malta Junior College and a part-time lecturer at the University of Malta. His spouse is Anne Marie Farrugia, whom he married in 2009. He obtained his PhD in 2016, studying at the University of Malta under the supervision of Prof. Irene Sciriha, after successfully defending his thesis titled ‘On the Spectra and Walks of Molecular and Controllable Graphs’. His area of expertise includes algebraic and spectral graph theory, with applications in molecular chemistry and control theory. He is also in the Editorial Board of the Mathematical Aspects of Topological Indices (MATI) and the Discrete Mathematics Letters (DML) journals. At his place of work, he is also a member of the University of Malta Junior College Multi-Disciplinary Conference Scientific Committee. In his free time, he writes about mathematics on Quora, a website where people share their knowledge with the world. He was recognized as a Top Writer on Quora in 2017 and 2018, with his writings garnering more than 11 million views. He also served as mathematics subject coordinator from 2019 to 2021 at his current place of work. His hobbies include chess, music, Formula One and cooking.