João Freitas is the CTO of DefinedCrowd. João coordinates all IT and AI initiatives at DefinedCrowd and manages EU operations. With more than 13 years' experience in software development, machine learning and crowdsourcing, João also holds a PhD in the areas of speech technology and human-computer interaction. João has filed several patents and published over 30 articles in peer-reviewed international conferences and journals. He is also the author and co-author of book chapters and one book.
DefinedCrowd offers an intelligent data infrastructure for AI, that provides high-quality training data to help machine learning oriented products reach market faster and with better quality. With strong expertise in speech and natural language processing technologies, we support a broad range of use cases such as virtual assistants, chatbots, customer review analysis, content categorization, pattern recognition and even surveillance systems. Our platform offers efficient data workflows that enable data scientists to collect, synthesize, enrich and structure training data, by combining human intelligence, automatic tools, and machine learning capabilities.