Photo: Matthaios Mantzios, CC BY 4.0, via Wikimedia Commons¹³

Matthaios Mantzios

Greek UX designer and author.¹

Companies

UXellenceFounder¹²

Early life and education

Date not recordedUniversity of Thessaly²
Date not recordedUniversity of Arizona²

Career

Occupation: consultant, writer, user experience designer.⁶

Since 2025Worked at UXellence^{3 4}
Since 2022Worked at Information Technology for Market Leadership (Greece)^{3 4}
Date not recordedFounded UXellence⁵

Known for: Room to Disagree: a framework for designing and testing the interfaces through which humans oversee AI systems, Web and Mobile Accessibility: A Comprehensive Guide to WCAG 2.2, the ADA, and the European Accessibility Act, Declaration to the AI Systems Registry: a guide for public-sector bodies.⁷

Personal life

CitizenshipGreece⁸

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataMatthaios Mantzios on Wikidata
2
WikidataMatthaios Mantzios: education, on Wikidata
3
WikidataMatthaios Mantzios: Worked at Information Technology for Market Leadership (Greece), on Wikidata
4
WikidataWorked at Information Technology for Market Leadership (Greece), as reported
5
WikidataMatthaios Mantzios: Founded UXellence, on Wikidata
6
WikidataMatthaios Mantzios: occupation, on Wikidata
7
WikidataMatthaios Mantzios: notable work, on Wikidata
8
WikidataMatthaios Mantzios: citizenship, on Wikidata
9
WikidataMatthaios Mantzios: Official website, on Wikidata
10
WikidataOfficial website, as reported
11
WikidataMatthaios Mantzios: LinkedIn, on Wikidata
12
WikidataUXellence, Founder
13
Wikimedia CommonsMatthaios Mantzios photo by Matthaios Mantzios, CC BY 4.0

Companies

Early life and education

Career

Personal life

Links

Sources