A Swedish behavioral expert, lecturer, and author, best known for his popular self-help book, Surrounded by Idiots: The Four Types of Human Behavior (or How to Understand Those Who Cannot Be Understood). His work categorizes human personalities into four color types (Red, Yellow, Green, Blue) to help readers understand and improve communication and relationships. Erikson's accessible and often humorous approach to behavioral psychology aims to reduce conflict and foster better understanding in personal and professional settings.
In Surrounded by Idiots, Swedish behavioral expert Thomas Erikson categorizes human behavior into four color-coded types—Red, Yellow, Green, and Blue—based on DISC personality theory. The book explains how to identify and communicate effectively with different personality types, both at work and in everyday life. Using anecdotes and humor, Erikson helps readers understand conflicts, improve teamwork, and enhance self-awareness. While simplified, it offers a practical framework for decoding behavior and adapting communication styles for better relationships.