Teresa Sofia Castro (ORCID iD0000-0002-7148-9443) is a Professor and Research Assistant at Universidade Lusófona (she achieved 1st place in the Communication area in the FCT CEEC 2022 - DOI 10.54499/2022.00105.CEECIND/CP1760/CT0001). She teaches in the Bachelor Applied Communication and the Master Media and Information Literacy and Digital Citizenship. She is the Co-Pi of the FCT-funded project YouNDigital: Youth, News, and Digital Citizenship (DOI 10.54499/PTDC/COM-OUT/0243/2021), with M. J. Brites as PI. Her research interests are children and young people's (0-24) digital lives, digital parenting and mediation, digital citizenship, ethics in research, innovative methodologies and participatory-action research. She has experience doing research with children and families with different socio-economic and cultural backgrounds. She did a Post-Doc (1st place award funded by the Foundation for Science and Technology-FCT in 2017), with the supervision of Cristina Ponte (Universidade Nova de Lisboa) and Emma Bond (University of Suffolk, UK), in the field of Communication Sciences - Media and Cultural Studies (2017 to 2022). The longitudinal study iTech Families involves the participation of families based in Portugal and the UK. She holds a European PhD in Sciences of Education, Educational Technology (University of Minho). The research project, funded by FCT, resulted in the thesis: "It's a complicated situation", a qualitative study with school-aged children. She explored contributions from sociology of risk, childhood studies, science and technology studies, and zemiology (critical criminology). Holds a Master in Childhood Studies, ICT (University of Minho), and a degree in Philosophy and Humanities (Portuguese Catholic University). She is an integrated researcher at CICANT (DOI 10.54499/UIDB/05260/2020); member of EU Kids Online and DigiLitEY: COST networks, collaborates with the Children and Adolescents Online (CriA.On) platform, translating scientific data and information to society. To contribute to children's and young people's digital literacies and citizenship, she creates innovative educational materials, workshops and training for young people, professionals, carers and parents. Collaborates with Portuguese Safer Internet Centre, Lusoinfo Multimedia writing funding proposals and giving training on digital citizenship; Child Support Institute (IAC) in the writing of interactive books for children, families, and schools on the wise use of digital technologies (Alerta Premika! Online risk detected). She gave training to young offenders in the Portuguese project: Dici-Educa- Educational centres with digital and civic competencies, coordinated by Maria José Brites (funding Academies of Knowledge, Fundação Calouste Gulbenkian, Universidade Lusófona - COFAC and CICANT). She collaborates on European-funded projects: ySKILLS - funding AH2020 (2018...); ASAP - funding E+ (2022...); DIGcapabilities - FORSKER23 (2024...). She did three international research internships (UK -University of Suffolk, Belgium - KU Leuven, and Italy - Università Cattolica of Milan) and one Erasmus Mobility (Doba University, Slovenia). Her research has been published with e.g. JOCAM, Media&Communication, springer, Routledge, Palgrave, Emerald) on the topics she investigates (digital uses, abuses and harms, digital citizenship and digital literacies, online violence, self-harming produced by children, digital parenting and digital families, research and ethics ). She edited three books and is the author of an encyclopaedia entry. In 2019-2022 she was appointed a Visiting Research Fellow at the University of Suffolk, UK. In 2023 she received training from Erasmus+ and was an evaluator of applications submitted to the national Agency. She is the supervisor of Master's students at Lusofona University and Portuguese Catholic University.