Joana Martinho Costa is the Director of the Master's in Digital Transformation in Teaching and Learning and of the Bachelor's in Educational Digital Technologies at the School of Applied Digital Technologies (Iscte-Sintra), where she is a member of the Installing Committee. She coordinates the Distance Learning Implementation Project, is the scientific coordinator of the Digital Education project, and is the deputy coordinator of the Information Systems Research Group at ISTAR.

She holds a PhD in Education, specialising in Information and Communication Technologies in Education, from the University of Lisbon, a Master's in Computer Science Teaching and a Bachelor's in Computer Engineering from NOVA University Lisbon.

Her scientific output comprises 17 articles, of which 15 are publications in Scopus-indexed journals (Q1 and Q2), and co-authorship of an international book. Her research focuses on computer science education, educational technology, technology-mediated learning, and information systems in education.