Tiago Guerreiro is a Professor of Computer Science at Faculdade de Ciências da Universidade de Lisboa and a researcher at LASIGE. His research is focused on improving accessibility and health, by working closely with the communities he works with, co-designing solutions, developing and assessing their impact in the wild, in carefully-designed deployments. In these areas, he published 75+ peer-reviewed papers. He received awards for 10+ papers, including at ASSETS, CHI, SOUPS and MHCI, the flagship venues for Accessible Computing, HCI, Usable Privacy and Mobile HCI, and an ACM Best of Computing award in 2016. He was a keynote speaker at Handicap 2016, MUM 2019, BIOSTEC 2021, and MPAT 2021. He is Editor-in-Chief for ACM Transactions on Accessible Computing and was ASSETS 2020 General chair. He was the Web for All General and Program Chair, in 2016 and 2015, respectively, was Chair of the “Accessibility & Aging” Subcommittee for CHI 2019, among many other service roles. He was an invited expert supporting the European Commission in implementing the Web Accessibility Directive. He currently advises 6 PhD and 8 MSc students and mentors 2 PostDocs. He is a founder and current president of his institution Ethics Review Board, the coordinator of LASIGE’s research line on Accessibility and Aging, and member of the coordination board of the Data Science Master at FCUL. He leads the Tech&People Lab.