Makoto Mizuno is a professor at Meiji University in Tokyo, Japan. Before transitioning to academia, he worked in the advertising industry for many years. He earned his PhD in economics from the University of Tokyo. His research spans traditional marketing science, where he analyzes consumer purchase data using choice modeling as well as computational social science, which explores digital traces from social media. Additionally, he specializes in agent-based modeling simulations, as discussed in this book. His interdisciplinary approach integrates econometrics, network analyses, and simulation techniques to deepen the understanding of consumer behavior and market dynamics.