Symeon (Simos) Retalis is a professor of learning technologies at the Department of Digital Systems, University of Piraeus, Greece. Simos has been actively engaged in research and innovation in the field of learning technologies for the past 20 years. His research interests lie in the development of interactive learning systems, learning design patterns, and learning games for children with learning disabilities such as autism and ADHD. He has authored more than 200 research articles published in scientific books, journals, and conferences and has delivered several keynote/invited speeches at international conferences around the world.

Being the director of the CoSyLLab (Computer Supported Learning Engineering Laboratory) (http://cosy.ds.unipi.gr) at the University of Piraeus, Simos has been very interested in developing exciting, accessible, and usable learning tools that could be adopted by schools and learning organizations for solving learning problems. He has supervised more than 100 honors and postgraduate research students to successful completion and has been a mentor of student teams who won awards for their innovative software at competitions like Microsoft ImagineCup, Intel Business Challenge Europe, and others. He has more than 150 publications in peer-reviewed journals and conferences.

He has coordinated and participated in various European R&D projects in the field of technology-enhanced learning such as SAILS, PREATY, M4ALL, Educomics, IdSpace, and TELL. Also, he has collaborated with R&D teams of industrial vendors such as Microsoft, Intel, Google, and Smart Technologies on technology-enhanced learning projects. He is an active reviewer for journals and conferences, and is on the editorial board of international journals such as Computers in Human Behavior, Journal of Educational Technology and Society, and ACM Computing Reviews. He is also the director of the CoSyLLab, which has developed several learning tools that have been adopted by schools and learning organizations.

Currently, Simos is the co-founder and chief scientific officer of Kinems Inc., a start-up company (http://www.kinems.com) working with a talented multi-disciplinary team to develop a movement-based learning gaming platform for helping K-4 children with multiple learning disabilities improve their cognitive and motor skills.

He has been a reviewer for Computing Reviews since 2002.