Dr. Rui Correia is Lead Machine Learning Engineer at DefinedCrowd. Dr. Rui Correia has a PhD in Language Technologies through the CMU|Portugal program (2018) under the topic “Automatic Classification of Metadiscourse”. His areas of interest include Computer-Assisted Language Learning, Crowdsourcing, NLP, and more recently, the interaction between them. He has more than 10 years of experience within the NLP field and 8 years of crowdsourcing experience. Rui has been actively working in these research areas with more than 10 scientific papers already published.