Dion Barja

I am an undergraduate computer science student at the University of Manitoba. Most recently, I worked at the University of Toronto, advised by Fanny Chevalier of the Dynamic Graphics Project. I also previously worked at the University of Waterloo HCI Lab, advised by Matthew Brehmer.

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Research

My research interests broadly lie in human-computer interaction and data visualization. Much of my recent work focuses on designing techniques to make sense of and collaborate around complex information.

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Glass Chirolytics: Reciprocal Compositing and Shared Gestural Control for Face-to-Face Collaborative Visualization at a Distance


Dion Barja and Matthew Brehmer
ACM Conference on Human Factors in Computing Systems (CHI), 2026
paper / code

We propose Glass Chirolytics as a novel approach to supporting face-to-face paired analytics conversations between remote participants.


Design and source code from Jon Barron's website