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Thomas Erikson is a behavioural expert and internationally bestselling author whose work has transformed the way people understand human interaction and communication. With his groundbreaking use of the four-colour personality model – Red, Yellow, Green, and Blue – Thomas has made the complexities of human behavior accessible to millions across the globe. His most famous book, Surrounded by Idiots, has become a worldwide phenomenon, translated into over 50 languages.

Thomas’ mission is to enhance self-awareness and interpersonal understanding, empowering individuals to communicate effectively and cultivate healthy relationships both professionally and personally. By applying his expertise in human behaviour, he aims to minimise conflicts and misunderstandings, fostering a balanced work-life dynamic and a more energized existence.

In Australia’s multicultural and diverse workplaces, his teachings on navigating personality differences are particularly beneficial. They enhance collaboration, reduce conflict, and boost productivity.

Thomas also addresses modern challenges such as bridging generational divides and managing hybrid work environments.

Thomas’ expertise extends far beyond the pages of his books. He is a captivating speaker, a sought-after adviser, and an engaging podcast guest. His insights are built not only on psychological research but also on decades of practical experience working with individuals, teams, and organisations. What sets Thomas apart is his ability to blend behavioral science with humor, relatability, and a touch of storytelling, creating memorable lessons that audiences take to heart.

Thomas’ life and personality reflect his broad interests and unique approach to his work. He lives in a remote historic Swedish mansion surrounded by vintage Land Rovers, showcasing his love for British culture and classic craftsmanship, while travelling the world, giving keynote speeches to world leading companies and international organisations.

Despite his professional success, Thomas’ journey was far from smooth. His debut book, Surrounded by Idiots, faced over 20 rejections before he decided to self-publish it—a risk that paid off spectacularly. This resilience and determination are at the core of his philosophy, making him a relatable figure for anyone striving to overcome challenges.

Thomas Erikson’s appeal lies in his ability to connect deeply with his audience. His passion for understanding people, combined with his storytelling and sharp insights, makes him an unforgettable figure in the world of behavioural understanding. Whether speaking to corporate leaders about improving team dynamics, helping individuals spot and manage narcissistic behaviors, or sharing his own journey of resilience, Thomas’ approach is always relatable, actionable, and inspiring.

Let Thomas Erikson inspire you with his unique blend of science, humour, and practical wisdom. His work isn’t just about understanding people; it’s about unlocking potential, embracing change, and creating stronger, healthier connections in every aspect of life.

Surrounded by Idiots
Explains the four-colour personality model (Red, Yellow, Green, Blue) and offers insights on improving communication and relationships.

Surrounded by Psychopaths
Focuses on manipulative behaviours and teaches how to identify and defend against psychopathic tendencies in others.

Surrounded by Bad Bosses (and Lazy Employees)
A guide to understanding workplace dynamics, improving leadership, and managing different types of personalities at work.

Surrounded by Narcissists
Offers tools to recognise narcissistic behaviors, set boundaries, and protect mental well-being in personal and professional relationships.

Surrounded by Setbacks
Shares strategies for overcoming adversity, learning from failures, and building resilience to achieve long-term success.

Surrounded by Energy Vampires
Focuses on managing toxic people who drain energy and emotional well-being.

Surrounded by Liars
Unpacks the psychological reasons behind why we lie and reveals the impact lying has on our relationships. With the help of the behavioural model made famous in Surrounded by Idiots, Surrounded by Liars detect the liars in your life and shatter their deception for good.