The dynamics of groups is a useful tool for training that can be applied in several areas: in the family environment in the workplace, in the socio-political and educational field. Can be used, for example, to facilitate both the acquisition of knowledge, as a change of behavior and goals. The quality of the training is closely linked to teacher qualifications, hence the importance of programming and implementation of training plans and goal of this book, which offers trainers techniques and tools to perform their teaching and ensure quality preparation.