Mark Zwart graduated in Cognitive and Theoretical Psychology. He focused on imitating human behavior in neural networks. This led to his interest in a numerical approach to consumer behavior and the growth of customer value. For 15 years he has been passionately engaged in marketing intelligence for B2B and B2C companies and for charities. For example, he worked on projects related to customer lifetime value, the optimization of customer contact strategies, customer segmentation, the construction of data warehouses and dashboards, etc. He likes to share his expertise and experiences with others.