The race to master Artificial Intelligence is more competitive than ever. All eyes are on the global AI platforms as countries race to take the top position - and Switzerland has emerged as a strong contender despite its size. What lies behind Switzerland's AI success? How did it succeed in creating a world-leading AI ecosystem with limited resources? This book answers these questions and more. Based on hundreds of hours of interviews, this book sheds light on the secretive Swiss AI industry. In its pages, you will find insights gleaned from world-class researchers, visionary founders, savvy investors, and cutting-edge startups, each from Switzerland's thriving and exclusive AI industry. The Big Swiss AI Secret demonstrates how one can compete in the global AI race, highlighting that short-term victories are less important than achieving clever, long-term successes. Alexander E Brunner's second book on the Swiss deep tech ecosystem examines how Switzerland, with a small but impactful AI industry, has created a world-leading AI ecosystem, recognized by luminaries like Prof. Yann LeCun, META's AI head. Written by a practitioner for practitioners, this book offers an exciting, behind-the-scenes exploration of the future of AI, business, and society. It highlights cutting-edge use cases with a sharp focus on distinguishing what is currently real from what is just hype. Adopting a cross-disciplinary perspective, it examines what is already feasible today and how leading Swiss companies successfully position themselves for the future.