People with a strong creative principle (generators of ideas) are involved in the main developments due to their ability to think, but they are impractical and often cannot make the right decision. While in an effective group, the conductors are the ones facing the most ideas put into practice (Belbin called Workers as performers). Their main advantage is the ability to achieve their goals, achieve results. They trust people who have a high degree of integrity, but also like to have the control. An effective group also needs an intelligent, shrewd and sober minded person, who is able to give a correct estimate of the ideas emanating from the generator of ideas. This role – the role of criticism, is executed by an observer/Estimator (Rosemary, 1996).
有强烈的创作原则的人（发电机的想法）参与了由于他们的思考能力的主要发展方向，但他们是不切实际的，往往不能做出正确的决定。而在一个有效的组的导体，面临的最主要的想法付诸实践的人（Belbin称为工人演出）。它的主要优点是实现其目标的能力，达到的效果。他们相信人有诚信度高的人，也要控制。一个有效的集团还需要一个智能，精明的头脑清醒的人，谁能给的想法从观念的发生器产生一个正确的估计。这个角色-角色的批评，是由一个观察员/估计执行（迷迭香，1996）。
