Alexander Farrugia is a senior lecturer at Department of Mathematics at the University of Malta Junior College and a part-time lecturer at the University of Malta. He read for his undergraduate degree at the University of Malta, a Bachelor of Science in Mathematics and Computer Science, graduating with Honours in 2001. He then followed with an M.Sc. in Mathematics at the same university, successfully graduating with Distinction in 2003. After a 10-year stint at MCAST, where he was Senior Lecturer and Mathematics Subject Coordinator, he started his Ph.D., again at the University of Malta and joined the University of Malta Junior College as a member of staff. He obtained his Ph.D. in 2016, 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 was recognized as a Top Writer on Quora in 2017 and 2018, with his writings garnering more than 11 million views (as of October 2019). He also served as mathematics subject coordinator at Junior College from 2019 to 2021.