John Mendonça is a Junior Researcher at the HLT (Human Language Technologies Laboratory) and a PhD Student in the Doctoral Program in Electrical and Computer Engineering of IST. He obtained his MSc degree in 2020 with the thesis “Automatic Detection of Profile Features”. In it, he applied speech processing techniques, more specifically in speaker recognition and paralinguistics, for the collection of crowdsourced and health-related datasets. More recently he joined a CMU Portugal Affiliate PhD Program under the MAIA project, a joint CMU/INESC-ID/IT/Unbabel collaboration for Intelligent AI Agents in chatbots. His PhD work is closely related to conversational quality estimation, having co-authored several peer-reviewed publications in this field.