Dennis Witjes is a professional in the field of data science and artificial intelligence, currently serving as a GenAI Engineer at Danone since June 2025. Prior to this role, Dennis was a Principal Data Scientist at Valcon, where responsibilities included promoting MLOps initiatives and implementing advanced Gen AI solutions to enhance workflows. Previous positions include Senior Data Scientist and Data Scientist roles at Cognizant, where projects focused on machine learning, as well as a Data Scientist position at Johan Cruijff ArenA, where a chatbot was developed. Dennis also has experience as a Data Analyst at Topicus, where reporting tools and geographical dashboards were created. Academic credentials include a Master's degree in Data Science and Society from Tilburg University and a Bachelor's degree in IT & Business from Saxion University of Applied Sciences.
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