Central point in the transmission of the knowledges, internal trainers are not the unique in the process of teaching technical points or soft skills : more and more workers and managers have to support trainee, apprentices, collegues or new comers. This kind of action should be achieve with pedagogy and a sense of training. Now the question is : How can we effeciently train people ? The course will help people to transfert their knowledge by building a training program that address the identified needs, preparing the pedagogic content, giving the course remotely or in a face-to-face mode and assessing the results.