Jean-Georges Perrin, Director of Engineering at We Experience and author of 'Spark in Action,' shares his extensive insights on Apache Spark and its role in big data. He compares the functionalities of Apache Spark and Hadoop, while also discussing the significance of being an IBM Champion. Perrin reflects on the challenges faced by startups in France contrasted with the U.S., and shares his journey through software engineering and entrepreneurship. His passion for outdoor adventures adds a personal touch to the discussion.