I = Introvert; N = Intuitive; T = Thinking; J = Judging; What the personality type “Mastermind” means? The personality type INTJ is often called Mastermind or Strategist. They are determined persons with abilities to lead. Reserved and strategic, they often like to stay in the background and take their time for the next move. If you seek a way to transform your abstract ideas to successful realization, the INTJs are the perfect candidates for this job. They are perfectionists, knowledgeable and adaptable. The INTJs are open-minded and self-confident. They look at the world as a big chess board and every move is thoroughly inspected, before taken. They are hard to impress and rarely talk about their feelings. Beware not to mistaken their self-confidence with arrogance. Some job positions recognized as most-likely to be INTJs are Corporate Strategist, Computer Programmer, Computer Specialist, Entrepreneur, Engineer, Judge, Lawyer, Manager, Scientist, Teacher/Professor. Key-words for the personality type INTJ –Mastermind: Thoughtful, Innovative, Analytical, Organized, Reserved, Forward-thinking, Objective, Determined, Independent, Imaginative, Rational, Dedicated, Focused, Theoretical, Tough-minded, Decisive.