The verbal communication in general and the situations of public speaking in particular, offer us excellent opportunities to transmit our ideas, to involve others in our work or project, to make known the bonanzas and qualities of our products or services, etc. The communication constitutes an angular piece on which numerous and important aspects of our professional and personal life are based.In the organizational field for example, it is indisputable that it is based in a very important way the exchange of ideas, opinions and data that can be transformed into valuable results.On the other hand, it has a key social dimension: to relate positively to a broad group of people.But some situations, especially when we have to face an audience, can be a little more complex and delicate.Although we have clear ideas of what we want to convey, we can not neglect ourselves, many times things do not go as we think.Especially when the information is complex, delicate or when we need to win over our audience, we have to plan our communication very well. Of little use to have a good idea, a great project or a great product, if we are not able to communicate them properly. And if we do not take care of both the preparation and the development of the presentation, we can have results below what was expected.Sometimes, the emotional impact resulting from an experience of failure can lead us to create negative expectations regarding future experiences, generating an anticipatory anxiety that makes us suffer and subtracts our ability to communicate. In many cases, existing linguistic resources are undervalued and underutilized, resulting in worse execution, experiencing blockages or even manifesting avoidance behaviors, with the consequent negative impact on both personal self-esteem and the reduction of professional opportunities.Indeed, throughout our professional practice we have confirmed the need that many of our clients have to receive specific training that helps them make successful presentations.Thus, we decided to put at your disposal the present materials that can be very useful when it comes to establishing and developing to the maximum your skills to speak in public and develop presentations of high impact.To help you learn and apply the skills learned to your job and your professional context, this manual is accompanied by a Development and Improvement Plan, which contains a series of exercises that will be of great benefit to you, always and when you perform them with due rigor.