Coordinator
Mario Lemes Proença Jr., Ph.D.

Mario Lemes Proença Jr. is an Associate Professor and leader of the research group that studies computer networks in the Computer Science Department at the State University of Londrina (UEL), Brazil. He received a Ph.D. degree in Electrical Engineering and Telecommunications from the State University of Campinas (UNICAMP) in 2005. He received the title of M.Sc degree in Computer Science from the Informatics Institute of the Federal University of Rio Grande do Sul (UFRGS) in 1998. He has authored or coauthored over 110 papers in refereed international journals and conferences, books chapters, and one software register patent. His research interests include Computer Networks, Network Operations, Management and Security, and IT Governance. He has supervised more than 140 Ph.D., Master of Science students, graduate and undergraduate students in computer science. He is a master’s supervisor in computer science at the computer science department at UEL. Also, he is a Ph.D. supervisor in the Department of Electrical Engineering at UEL.


e-mail: proenca@uel.br
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Collaborators
Luiz Fernando Carvalho, Ph.D.

Luiz F. Carvalho received the Ph.D. degree in Electrical Engineering and Telecommunications from the State University of Campinas in 2018. He completed his master’s degree in Computer Science at the State University of Londrina in 2014. He has experience in Computer Science with an emphasis in Computer Networks and is part of the research group Computer Networks and Data Communication. He is currently a professor in the Computer Engineering Department, Federal University of Technology – Paraná. His main research interests are management and security of computer networks.


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Marcos Vinicius Oliveira de Assis, Ph.D.

He is Graduated in Computer Science from the State University of Londrina (2011), Master in Computer Science from the State University of Londrina (2014) and Ph.D. in Electrical Engineering at PPGAEE State University of Londrina / Federal Technological University of Paraná - Campus Cornélio Procópio (2020). He is currently an adjunct professor in the Federal University of Paraná (UFPR). He worked as a visiting researcher at the Polytechnic University of Valencia (Spain) for 6 months, developing his doctoral research through the CAPES PDSE program. He is part of the research group "Computer Networks and Data Communication" and has experience in the field of Computer Science, with an emphasis on Computer and Communication Systems, working mainly on the following topics: SDN, computer networks, security, machine, and deep learning.


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Members
Daniel Matheus Brandão Lent, Ph.D. student

Daniel Matheus Brandão Lent received a bachelor's degree from the State University of Londrina (UEL) in 2021 and a master's degree in 2023. He is a member of the Orion research group that studies computer networks and data communication at UEL's computer science department. He now aspires to a doctorate in electrical engineering studying computer networks security and deep learning.


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Alexandro Marcelo Zacaron, Ph.D. student

Alexandro M. Zacaron is a Ph.D. student in Eletrical Engineering Doctorate Program at the State University of Londrina. He is a graduate student researcher at Orion Laboratory working under the supervision of Dr. Mario Proença. Alexandro completed his master’s degree in computer science in 2013. His main interests are computer network and security.


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Vitor Gabriel da Silva Ruffo, Ph.D. student

Vitor G. da Silva Ruffo received a B.Sc. degree (summa cum laude) and a M.Sc. degree in computer science from the State University of Londrina (UEL), Londrina, Brazil, in 2023 and 2025. He is currently pursuing a Ph.D. degree in electrical engineering at UEL. He has been an active member of the ORION research group from UEL's computer science department since 2021. His research interest includes software-defined networking, network anomaly detection, and deep learning.


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Mateus Komarchesqui, M.Sc. and Ph.D. student

Mateus Komarchesqui has been a member of the ORION research group since 2023, where he developed research on intrusion detection using quantum computing, deep learning, and explainable artificial intelligence. He received his B.Sc. degree in computer science from the State University of Londrina (UEL), Brazil, in 2024. He is currently pursuing an M.Sc. degree in computer science and a Ph.D. in electrical engineering at UEL. His research interests include software-defined networking, network management and security, anomaly detection, deep learning, and explainable artificial intelligence.


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Vinícius Ferreira Schiavon, M.Sc. student

Vinícius F. Schiavon is currently pursuing an M.Sc. degree in Computer Science at the State University of Londrina (UEL). Received the B.Sc. degree in Computer Science from UEL in 2025. Active member of the Orion Research Group in the Department of Computing at UEL since 2023. His research interests include Deep Learning, Datasets, Anomaly Detection, and Network Security.


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Gustavo Hideyuki Kitamura Nishikawa, undergraduate student

Gustavo Hideyuki Kitamura Nishikawa is an undergraduate computer science student at the State University of Londrina.


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Matheus Riki Nakanishi, undergraduate student

Matheus Riki Nakanishi is an undergraduate computer science student at the State University of Londrina.


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João Henry Volpato, undergraduate student

João Henry Volpato is an undergraduate computer science student at the State University of Londrina.


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Igor Shoiti Tutida Suguieda, undergraduate student

Igor Shoiti Tutida Suguieda is an undergraduate computer science student at the State University of Londrina.


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Alumni
Matheus Pereira de Novaes, Ph.D.
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Gustavo Frigo Scaranti, M.Sc
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Cinara Zerbini, Ph.D. student
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Anderson Hiroshi Hamamoto, Ph.D. student
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Fadir Salmen, M.Sc
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Paulo R. G. Hernandes Jr, M.Sc
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Eduardo Henrique Monteiro Pena, Ph.D.
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Gilberto Fernandes Jr., Ph.D.
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Roger William Coêlho, M.Sc
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Mario H. A. da Costa Adaniya, M.Sc
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Moisés Fernando Lima, M.Sc
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Alexandre de Aguiar Amaral, Ph.D.
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Bruno Bogaz Zarpelão, Ph.D.
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