Alfredo Ferreira is an Associate Professor at the Department of Computer Science and Engineering of the Instituto Superior Técnico, University of Lisbon, and a researcher in the Graphics and Interaction scientific area of INESC-ID Lisboa. He received his Ph.D. degree in Information Systems and Computer Science in 2009 from the Technical University of Lisbon. He works on natural interfaces, applied mixed reality, and 3D object analysis and retrieval. He was involved in the SmartSketches, Eurotooling21, and Maximus EC-funded projects. At a national level, he participated in several research projects. He was a member of the organizing committees of INTERACT 2011 and Eurographics 2016 and general chair of SMI 2018, EuroVis 2019, and ACM ISS 2020 conferences. Alfredo Ferreira is a member of the Association for Computing Machinery (ACM), the Institute of Electrical and Electronics Engineers (IEEE), and the European Association for Computer Graphics. Until recently he was the Chairman of the Fiscal Council of the Grupo Português de Computação Gráfica and Executive Director for non-teaching staff at the Department of Computer Science and Engineering of Instituto Superior Técnico. Currently, he is chair of the IEEE Portuguese Computer Society Chapter.