Samuel Moreira holds a Ph.D. (2022), a Master's (2013), and a Bachelor's degree (2011) in Criminology. His Ph.D. focused on private security, and he was awarded a doctoral scholarship (Ref.: SFRH/ BD/130590/2017) from the Portuguese Foundation for Science and Technology to carry out his research project.
He is an Invited Assistant Professor at the Faculty of Law, University of Porto, and an Assistant Professor at the Faculty of Law, Lusíada University of Porto, teaching in all study cycles in Criminology.  Simultaneously, he is a member of the Scientific Committee of the Doctoral Degree in Criminology at the Faculty of Law, University of Porto.
He is an affiliated researcher at the following research centers: (i) Collaborator Researcher at CIJ (Center for Interdisciplinary Research on Justice) of the Faculty of Law, University of Porto; (ii) Integrated Researcher at CEJEIA (Center for Legal, Economic, International and Environmental Studies) of the Faculty of Law, Lusíada Universit, actively participating in “Research Group 5 – Criminal Law and Criminology”.
His main areas of teaching and research include (in)security, policing, and cybercrime. He has been publishing his research work in prestigious international peer-reviewed scientific journals (e.g., European Journal of Criminology, Journal of Contemporary Criminal Justice, Journal of Experimental Criminology, Victims and Offenders, Policing and Society) and, in parallel, presenting these works at several renowned national and international conferences (e.g., Annual Conference of the European Society of Criminology, American Society of Criminology Annual Meeting, Stockholm Criminology Symposium). He has participated in various funded research projects and is currently the coordinator of the project “Delinquent behavior from the perspective of complex systems: normativity, contexts, and personality”. He has been supervising several master's dissertations and doctoral theses, especially within those wide thematic domains, where quantitative and qualitative methodologies were adopted.
He is a member of various international associations and societies (e.g., European Society of Criminology (ESC), International Association of Portuguese Language Criminology), and currently is part of four ESC working groups: European Society of Criminology Working Group on Policing; The European Society of Criminology Working Group on Cybercrime; European Working Group on Radicalization, Extremism, and Terrorism; European Working Group on Space, Place and Crime.