Leo Martin is a former German intelligence operative and criminology expert, specializing in human behavior, trust-building, and influence. Over a decade, he recruited and led informants within organized crime networks, mastering the art of gaining cooperation from complete strangers and uncovering critical insider knowledge. Today, as Managing Director of the Private Institute for Forensic Text Analysis, Leo applies these skills to convict anonymous offenders targeting companies through threats, blackmail, or attacks. As a keynote speaker and trainer, he delivers interactive, hands-on lectures and intensive courses, including “Secret Weapons of Communication – Gentle Strategies with a Powerful Effect” and “Mission Leadership – How to Increase Your Influence on Others”, engaging audiences with practical strategies drawn from his intelligence career. A three-time Spiegel bestselling author, Leo translates his experience into actionable insights for leadership, sales, and professional people skills, helping organizations and individuals build trust, influence decisions, and achieve meaningful results.