Gavin de Becker is an American author and security expert known for his work in personal safety and threat assessment. He founded Gavin de Becker & Associates, a consulting firm that provides security services to high-profile clients, including celebrities and government officials. De Becker is recognized for his insights into human behavior and the psychology of violence. He is also the author of several books, including the best-selling The Gift of Fear, which emphasizes the importance of trusting one's instincts in dangerous situations. De Becker's work has influenced how individuals and organizations approach personal safety and risk management.