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Data doesn’t make decisions. People do.

Artificial intelligence lets us analyze more information, generate visualizations and explore new ways of communicating. But turning data into decisions still demands judgment, context and a clear narrative.

This book sets out a practical method for travelling the whole path: from the opening question to the insight, from the analysis to the visualization, and from the story to the decision. Twenty-eight chapters, with generative AI as a copilot at every stage.

Written for professionals, executives, consultants, teachers and analysts who want to communicate better with data. It combines foundations, applied cases by sector, and a toolbox of templates, checklists and prompts ready to use.

Every chapter closes with a key idea, three reflection questions and a practical exercise.

With a foreword by Andy Kirk, author of Data Visualisation: A Handbook for Data Driven Design.

Ignacio Javier Alcalde Perea (Ignasi Alcalde) is executive director at MINIMUM DATA, a consultancy specialized in data visualization and data literacy training. He is a former director of data visualization at the market research company IPSOS, leading a department specialized in data visualization and dashboards.

Master’s Degree in Information and Knowledge Society from the Universitat Oberta de Catalunya, and postgraduate degree in data analysis and visualization from the University of Texas at Austin PhD candidate and member of the research group DS4DS DATA SCIENCE FOR THE DIGITAL SOCIETY at the University of La Salle of the Ramon Llull University.

He is also a founding member of MyData, an international non-profit organization present in more than 40 countries, which works on the ethical use of personal data.

Data trainer accredited by the Open Data Institute UK and community award 2018 at the Information is Beautiful Awards. Ignasi is the author of the book: Information visualization: from data to knowledge published by the UOC publishing house.

With more than 15 years of experience in the data visualization sector, he has participated in different events as a speaker such as TEDx Manresa, Dataviz Live UK, Data & beers Barcelona, UOC Alumni Madrid, Ferrovial Data Lab Madrid, Mydata 2018 Helsinki, Lattitude59 , Tallinn.