Personal profile

Academic background

Iulia Lefter is Assistant Professor at Delft University of Technology, Faculty of Technology, Policy and Management (TPM). Before joining TPM she was a postdoctoral researcher (TUDelft, EEMCS), working on an interdisciplinary project to support psychiatric patients manage their aggressive tendencies using VR therapy. Her PhD research (TUDelft, TNO, NLDA) focused on multimodal sensor fusion to better perceive human behaviour and affective states.

Research profile

Iulia Lefter is Assistant Professor at Delft University of Technology, where she is researching Affect-Sensitive Systems: systems that are aware of and adapt to human affective states and behaviours, in order to better support them in achieving their goals. This includes research into devising models that automatically sense affective states and behaviours of interest from various sensors, as for example looking into verbal and nonverbal behaviour and reaching a meaningful interpretation for the considered application. Further, it includes exploring design opportunities together with the actors involved, studying how adaptation can best support users, as well as the interaction and interdependencies in-between. In her reaseach, Iulia combines her background in Computer Science with her interest in psychology and design, and is greatly inspired by interdisciplinary work.


Applications domains of interest include (mental) health and wellbeing, human-media interaction, education, enhancing human-human interaction or human performance in specific tasks such as negotiation, serious games.


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